Health benefits of a good night’s sleepSleep, we all love it, especially when we wake up from a great night’s sleep. ______1_____. But nowadays we are beginning to understand the importance of sleep to overall health. People working the night shift have a higher risk of cancer. Researchers believe this link is caused by differing levels of melatonin(褪黑素)in people who are exposed to light at night. _______2______. Melatonin makes us sleepy and is thought to protect against cancer. Be sure that your bedroom is dark to help your body produce the melatonin it needs.When your body is short of sleep, it goes into a state of stress. The body’s functions give you an alarm which causes an increase in blood pressure. _____3________. Learn to relax to reduce the effects of stress.Researchers have also found that people who sleep less than seven hours per night are more likely to be fat. _______4________. So if you are interested in controlling or losing weight, don’t forget to pay attention to getting a good night’s sleep.Sleeping during the day will protect your health and make you more productive. A study of Greek adults showed that people who slept during the day several times a week had a lower risk of dying from heart disease. _______5_______.A.Higher blood pressure increases your risk for heart attacks.B.It is thought that the lack of sleep affects appetite.C.In the past, sleep was often ignored by doctors and surrounded by myths.D.Exposure to light during early waking hours helps to set your body clock.E.Short-time sleep also improves memory, learning ability and mood.F.Light exposure reduces the level of melatonin.____.

Health benefits of a good night’s sleepSleep, we all love it, especially when we wake up from a great night’s sleep. ______1_____. But nowadays we are beginning to understand the importance of sleep to overall health. People working the night shift have a higher risk of cancer. Researchers believe this link is caused by differing levels of melatonin(褪黑素)in people who are exposed to light at night. _______2______. Melatonin makes us sleepy and is thought to protect against cancer. Be sure that your bedroom is dark to help your body produce the melatonin it needs.When your body is short of sleep, it goes into a state of stress. The body’s functions give you an alarm which causes an increase in blood pressure. _____3________. Learn to relax to reduce the effects of stress.Researchers have also found that people who sleep less than seven hours per night are more likely to be fat. _______4________. So if you are interested in controlling or losing weight, don’t forget to pay attention to getting a good night’s sleep.Sleeping during the day will protect your health and make you more productive. A study of Greek adults showed that people who slept during the day several times a week had a lower risk of dying from heart disease. _______5_______.A.Higher blood pressure increases your risk for heart attacks.B.It is thought that the lack of sleep affects appetite.C.In the past, sleep was often ignored by doctors and surrounded by myths.D.Exposure to light during early waking hours helps to set your body clock.E.Short-time sleep also improves memory, learning ability and mood.F.Light exposure reduces the level of melatonin.____.

Health benefits of a good night’s sleepSleep, we all love it, especially when we wake up from a great night’s sleep. ______1_____. But nowadays we are beginning to understand the importance of sleep to overall health. People working the night shift have a higher risk of cancer. Researchers believe this link is caused by differing levels of melatonin(褪黑素)in people who are exposed to light at night. _______2______. Melatonin makes us sleepy and is thought to protect against cancer. Be sure that your bedroom is dark to help your body produce the melatonin it needs.When your body is short of sleep, it goes into a state of stress. The body’s functions give you an alarm which causes an increase in blood pressure. _____3________. Learn to relax to reduce the effects of stress.Researchers have also found that people who sleep less than seven hours per night are more likely to be fat. _______4________. So if you are interested in controlling or losing weight, don’t forget to pay attention to getting a good night’s sleep.Sleeping during the day will protect your health and make you more productive. A study of Greek adults showed that people who slept during the day several times a week had a lower risk of dying from heart disease. _______5_______.A.Higher blood pressure increases your risk for heart attacks.B.It is thought that the lack of sleep affects appetite.C.In the past, sleep was often ignored by doctors and surrounded by myths.D.Exposure to light during early waking hours helps to set your body clock.E.Short-time sleep also improves memory, learning ability and mood.F.Light exposure reduces the level of melatonin.____.

Health benefits of a good night’s sleepSleep, we all love it, especially when we wake up from a great night’s sleep. ______1_____. But nowadays we are beginning to understand the importance of sleep to overall health. People working the night shift have a higher risk of cancer. Researchers believe this link is caused by differing levels of melatonin(褪黑素)in people who are exposed to light at night. _______2______. Melatonin makes us sleepy and is thought to protect against cancer. Be sure that your bedroom is dark to help your body produce the melatonin it needs.When your body is short of sleep, it goes into a state of stress. The body’s functions give you an alarm which causes an increase in blood pressure. _____3________. Learn to relax to reduce the effects of stress.Researchers have also found that people who sleep less than seven hours per night are more likely to be fat. _______4________. So if you are interested in controlling or losing weight, don’t forget to pay attention to getting a good night’s sleep.Sleeping during the day will protect your health and make you more productive. A study of Greek adults showed that people who slept during the day several times a week had a lower risk of dying from heart disease. _______5_______.A.Higher blood pressure increases your risk for heart attacks.B.It is thought that the lack of sleep affects appetite.C.In the past, sleep was often ignored by doctors and surrounded by myths.D.Exposure to light during early waking hours helps to set your body clock.E.Short-time sleep also improves memory, learning ability and mood.F.Light exposure reduces the level of melatonin.____.

Health benefits of a good night’s sleepSleep, we all love it, especially when we wake up from a great night’s sleep. ______1_____. But nowadays we are beginning to understand the importance of sleep to overall health.People working the night shift have a higher risk of cancer. Researchers believe this link is caused by differing levels of melatonin(褪黑素)in people who are exposed to light at night. _______2______. Melatonin makes us sleepy and is thought to protect against cancer. Be sure that your bedroom is dark to help your body produce the melatonin it needs.When your body is short of sleep, it goes into a state of stress. The body’s functions give you an alarm which causes an increase in blood pressure. _____3________. Learn to relax to reduce the effects of stress.Researchers have also found that people who sleep less than seven hours per night are more likely to be fat. _______4________. So if you are interested in controlling or losing weight, don’t forget to pay attention to getting a good night’s sleep.Sleeping during the day will protect your health and make you more productive. A study of Greek adults showed that people who slept during the day several times a week had a lower risk of dying from heart disease. _______5_______.A.Higher blood pressure increases your risk for heart attacks.B.It is thought that the lack of sleep affects appetite.C.In the past, sleep was often ignored by doctors and surrounded by myths.D.Exposure to light during early waking hours helps to set your body clock.E.Short-time sleep also improves memory, learning ability and mood.F.Light exposure reduces the level of melatonin.5.____.

The speed of AmericansAmericans love speed. They like to cook in microwave ovens. They prefer making phone calls to writing letters. ________26________. When they send a package, they want it to arrive tomorrow, not next week.Offering a quick service is a sure way to make money in the states. ________27_______. One of the biggest of them, Federal Express, will deliver a computer disk in just a few hours to a forgetful businessman who left his bag behind. And if anyone wants to say “I’m sorry,” or “I love you,” or “happy birthday,” Roseland Express will send a dozen fresh roses anywhere in the U.S.A. within twelve hours.Not everyone in the states likes speed, though. _______28________. The Amish people in Pennsylvania and the Midwest still use the clock in the eighteenth century. They still live in the unhurried style of those days, refusing to use cars, telephones, televisions, or any other modern invention. In their historical clothes and horse-drawn carriages, they are living reminders of the slower life of earlier times.Few Americans live in such peace as the Amish people enjoy. ________29_________. Nearly half the population moves at least once every five years, and some more often than that. Most people move to s suburb or town nearby, but many pack all their furniture and belongs and move to the other side of America. A girl who has grown up in Chicago might study in New York, and find her first job in Philadelphia. She might move to California to look for better work, marry a man from Des Moines, and move back to near his family in Iowa. At last, when her children have grown up, she might get tired of the cold winters and retire to Florida to spend her old age sitting in the sun._________30_________. By this time next year, he might have moved to Maryland, or Michigan, or Minnesota.A. In fact, Americans are always on the move.B. Some people, in fact, refuse to be hurried.C. They like to travel by air rather than bus or train.D. Fast-delivery companies are getting more business all the time.E. Most Americans move their homes because of the changes in their work.F. So, if you want to write a letter to a friend who lives in Missouri, do it now.1、____.

The speed of AmericansAmericans love speed. They like to cook in microwave ovens. They prefer making phone calls to writing letters. ________26________. When they send a package, they want it to arrive tomorrow, not next week.Offering a quick service is a sure way to make money in the states. ________27_______. One of the biggest of them, Federal Express, will deliver a computer disk in just a few hours to a forgetful businessman who left his bag behind. And if anyone wants to say “I’m sorry,” or “I love you,” or “happy birthday,” Roseland Express will send a dozen fresh roses anywhere in the U.S.A. within twelve hours.Not everyone in the states likes speed, though. _______28________. The Amish people in Pennsylvania and the Midwest still use the clock in the eighteenth century. They still live in the unhurried style of those days, refusing to use cars, telephones, televisions, or any other modern invention. In their historical clothes and horse-drawn carriages, they are living reminders of the slower life of earlier times.Few Americans live in such peace as the Amish people enjoy. ________29_________. Nearly half the population moves at least once every five years, and some more often than that. Most people move to s suburb or town nearby, but many pack all their furniture and belongs and move to the other side of America. A girl who has grown up in Chicago might study in New York, and find her first job in Philadelphia. She might move to California to look for better work, marry a man from Des Moines, and move back to near his family in Iowa. At last, when her children have grown up, she might get tired of the cold winters and retire to Florida to spend her old age sitting in the sun._________30_________. By this time next year, he might have moved to Maryland, or Michigan, or Minnesota.A. In fact, Americans are always on the move.B. Some people, in fact, refuse to be hurried.C. They like to travel by air rather than bus or train.D. Fast-delivery companies are getting more business all the time.E. Most Americans move their homes because of the changes in their work.F. So, if you want to write a letter to a friend who lives in Missouri, do it now.2、____.

The speed of AmericansAmericans love speed. They like to cook in microwave ovens. They prefer making phone calls to writing letters. ________26________. When they send a package, they want it to arrive tomorrow, not next week.Offering a quick service is a sure way to make money in the states. ________27_______. One of the biggest of them, Federal Express, will deliver a computer disk in just a few hours to a forgetful businessman who left his bag behind. And if anyone wants to say “I’m sorry,” or “I love you,” or “happy birthday,” Roseland Express will send a dozen fresh roses anywhere in the U.S.A. within twelve hours.Not everyone in the states likes speed, though. _______28________. The Amish people in Pennsylvania and the Midwest still use the clock in the eighteenth century. They still live in the unhurried style of those days, refusing to use cars, telephones, televisions, or any other modern invention. In their historical clothes and horse-drawn carriages, they are living reminders of the slower life of earlier times.Few Americans live in such peace as the Amish people enjoy. ________29_________. Nearly half the population moves at least once every five years, and some more often than that. Most people move to s suburb or town nearby, but many pack all their furniture and belongs and move to the other side of America. A girl who has grown up in Chicago might study in New York, and find her first job in Philadelphia. She might move to California to look for better work, marry a man from Des Moines, and move back to near his family in Iowa. At last, when her children have grown up, she might get tired of the cold winters and retire to Florida to spend her old age sitting in the sun._________30_________. By this time next year, he might have moved to Maryland, or Michigan, or Minnesota.A. In fact, Americans are always on the move.B. Some people, in fact, refuse to be hurried.C. They like to travel by air rather than bus or train.D. Fast-delivery companies are getting more business all the time.E. Most Americans move their homes because of the changes in their work.F. So, if you want to write a letter to a friend who lives in Missouri, do it now.3、____.

The speed of AmericansAmericans love speed. They like to cook in microwave ovens. They prefer making phone calls to writing letters. ________26________. When they send a package, they want it to arrive tomorrow, not next week.Offering a quick service is a sure way to make money in the states. ________27_______. One of the biggest of them, Federal Express, will deliver a computer disk in just a few hours to a forgetful businessman who left his bag behind. And if anyone wants to say “I’m sorry,” or “I love you,” or “happy birthday,” Roseland Express will send a dozen fresh roses anywhere in the U.S.A. within twelve hours.Not everyone in the states likes speed, though. _______28________. The Amish people in Pennsylvania and the Midwest still use the clock in the eighteenth century. They still live in the unhurried style of those days, refusing to use cars, telephones, televisions, or any other modern invention. In their historical clothes and horse-drawn carriages, they are living reminders of the slower life of earlier times.Few Americans live in such peace as the Amish people enjoy. ________29_________. Nearly half the population moves at least once every five years, and some more often than that. Most people move to s suburb or town nearby, but many pack all their furniture and belongs and move to the other side of America. A girl who has grown up in Chicago might study in New York, and find her first job in Philadelphia. She might move to California to look for better work, marry a man from Des Moines, and move back to near his family in Iowa. At last, when her children have grown up, she might get tired of the cold winters and retire to Florida to spend her old age sitting in the sun._________30_________. By this time next year, he might have moved to Maryland, or Michigan, or Minnesota.A. In fact, Americans are always on the move.B. Some people, in fact, refuse to be hurried.C. They like to travel by air rather than bus or train.D. Fast-delivery companies are getting more business all the time.E. Most Americans move their homes because of the changes in their work.F. So, if you want to write a letter to a friend who lives in Missouri, do it now.4、____.

The speed of AmericansAmericans love speed. They like to cook in microwave ovens. They prefer making phone calls to writing letters. ________26________. When they send a package, they want it to arrive tomorrow, not next week.Offering a quick service is a sure way to make money in the states. ________27_______. One of the biggest of them, Federal Express, will deliver a computer disk in just a few hours to a forgetful businessman who left his bag behind. And if anyone wants to say “I’m sorry,” or “I love you,” or “happy birthday,” Roseland Express will send a dozen fresh roses anywhere in the U.S.A. within twelve hours.Not everyone in the states likes speed, though. _______28________. The Amish people in Pennsylvania and the Midwest still use the clock in the eighteenth century. They still live in the unhurried style of those days, refusing to use cars, telephones, televisions, or any other modern invention. In their historical clothes and horse-drawn carriages, they are living reminders of the slower life of earlier times.Few Americans live in such peace as the Amish people enjoy. ________29_________. Nearly half the population moves at least once every five years, and some more often than that. Most people move to s suburb or town nearby, but many pack all their furniture and belongs and move to the other side of America. A girl who has grown up in Chicago might study in New York, and find her first job in Philadelphia. She might move to California to look for better work, marry a man from Des Moines, and move back to near his family in Iowa. At last, when her children have grown up, she might get tired of the cold winters and retire to Florida to spend her old age sitting in the sun._________30_________. By this time next year, he might have moved to Maryland, or Michigan, or Minnesota.A. In fact, Americans are always on the move.B. Some people, in fact, refuse to be hurried.C. They like to travel by air rather than bus or train.D. Fast-delivery companies are getting more business all the time.E. Most Americans move their homes because of the changes in their work.F. So, if you want to write a letter to a friend who lives in Missouri, do it now.5、____.