Choose the best topic sentence from the four options below. Write the corresponding letter of your choice on the answer sheet. A.The good English required by the examining board is a style of written English suitable for a formal occasion. B.Accurate spelling is also required, that is, correspondence to the conventional standard spellings found in dictionaries. C.In choosing words and phrases, you have to avoid very informal ones more commonly used in conversations and informal settings. D.We take it for granted that clear handwriting is necessary, without which communication between writer and examiner would be difficult.

Read the following paragraph and underline the topic sentence. Since 1975, the number of working mothers has risen by 1.2 million. Yet, 40 years later, women are struggling with work-life balance more than ever. There are many reasons for the increased struggle to keep all the balls in the air. One big reason is a greater responsibility for young female professionals moving into leadership roles. Some reasons are economic in nature. Slow wage increases and rising living costs often leave workers with no choice but to put in extra hours, sacrificing on the home front. In addition, there is often a conflict between women employees’ need for flexible time and employers’ unwillingness to give it. Some of the negative consequences for having a flexible schedule include being given a less significant position or even losing a job.

Read the following paragraph and choose the best topic sentence from the four options that follow. Write the corresponding letter of your choice on the answer sheet.While some adults decide to give up smoking, many teenagers begin to smoke cigarettes. They think smoking can help them to be more manly or fresh-minded. However, smoking is harmful to the smokers themselves. If you smoke, the cigarette can make your heart beat faster, shoot your blood pressure up, replace oxygen in your blood with carbon monoxide （一氧化碳）and leave cancer-causing substances in your body. According to a recent WHO report, 95% of those who suffer from lung cancer are smokers. As for heart disease, the risk of death is 2 to 3 times as great in smokers as in non-smokers. Smoking also brings great harm to the non-smokers in public places. If someone smokes in the waiting room of a railway station, twenty or even more people around him will be affected by the harmful substances carried in the smoke. We should completely ban smoking in public places.A.Smoking should be discouraged as it is harmful to all.B.Smokers tend to suffer from heart disease in the long run.C.Teenage smokers look cool and smart in their peers’ eyes.D.Smoking does more harm to smokers than to non-smokers.

Rearrange the following sentences so that they read logically. Put the corresponding letters in a proper sequence in the boxes provided on the answer sheet. The positions of some sentences have been given.A.To sum up, social practice can offer students practical skills necessary to their future job prospects.B.These interpersonal skills will be of great value to them when they seek for a job at graduation and try to fit into society after graduation.C.College life is more than the days spent on campus activities like learning and extra-curricular activities.D.For example, they will become better at communicating and cooperating with others when they work in a team at some project.E.It should also include the days when students step into society to have social practice, which provides students with practical skills and further their academic studies in return.F.It can also let students form an objective judgment about their academic studies and improve their performance. G.Besides, students will have a clearer idea about what is required of them. Working in the workplace, they will figure out what academic qualifications are needed for a particular job.H.To begin with, social practice will offer students practical skills that cannot be learnt from the books.C、____、____、D、____、____、A、____

Read the following paragraph and cross out TWO irrelevant sentences.Black holes can be small or big. Scientists think the smallest black holes are as small as just one atom. When a black hole and a star are close together, high-energy light is made. These black holes are very tiny but have the mass of a large mountain. Another kind of black hole is called “stellar.”(星系)Its mass can be up to 20 times more than the mass of the sun. The largest black holes are called “supermassive，” which have masses that are more than 1 million suns together. Black holes formed when the universe began. Scientists have found proof that every large galaxy contains a supermassive black hole at its center. The supermassive black hole at the center of the Galaxy is called Sagittarius A. It has a mass equal to about 4 million suns and would fit inside a very large ball that could hold a few million Earths.

Write a thank-you letter according to the following situation: Recently, you won the Second Prize in the National English Speech Contest. Please write a letter to Mr. Johnson, your tutor, to express your gratitude. Please sign your name as Li Fei. (150-200 words)

Choose the best topic sentence from the four options below.Write the corresponding letter of your choice on the answer sheet.

Read the following paragraph and choose the best topic sentence from the four options that follow.Write the corresponding letter of your choice on the answer sheet.A recent study shows that over 5 million children in the United States suffer from asthma(哮喘).More than3,500 kids in California took part in the study.About half of those kids lived in areas that had lots of air pollution.The other half lived in arcas that had clean air. After studying the kids for five years,doctors found that about 260 of them developed asthma. Most of the kids who developed asthma lived in towns that were heavily polluted.Doctors say that breathing too much polluted air caused the asthma cases.Despite this,it is still recommended that children should play outside but only on days when air pollution isn't serious.

He finally chose economics as his major,although hc was interested in Chinese.(periodic sentence)

In that room of the hotel lived a Russian woman and her son.Her son called himself an artist.(complex sentence)