【阅读判断】On a Monday morning in July, the world's first atom bomb exploded in the New Mexico desert. Forty seconds later, the shock waves reached the base camp where the Italian-American physicist Enrico Fermi and his team stood. After a mental calculation, Fermi announced to his team that the bomb's energy had equated 10, 000 tons of TNT. The bomb team was impressed, but not surprised. Fermi's genius was known throughout the scientific world. In 1938 he had won a Nobel Prize. Four years later he produced the first nuclear chain reaction(核链式反应), leading us into the nuclear age. Since Fermi's death in 1954, no physicist has been at once a master experimentalist and a leading theoretician.Q: Fermi, an experimentalist as well as a theoretician, won a Nobel Prize for producing the first nuclear chain reaction in the world.

【阅读判断】No sporting event takes hold of the world’s attention and imagination like the Olympic Games. The football World Cup fascinates fans in Europe and South America; baseball’s World Series is required viewing in North America; the World Table Tennis Championships attracts the most interest in Asia. Q: The World Table Tennis Championships attracts the most interest in Asian countries.

【阅读判断】Choosing a good research topic does not necessarily mean finding something that has a lot written about it. Many times you will have to research around a topic in order to find out the most useful information. Exciting and original topics often come to mind by combining two completely different interests. Let us say that you are interested in child psychology(心理学的) and in sports. Perhaps you can combine these into a study of the effect that is watching(可得到的) on the subject, you can research the topic individually and, by putting your information together, then draw a conclusion.Q: Choosing a good research topic certainly refers to finding something that has a lot written about it.

【阅读判断】Surgery that can improve the way a person looks is becoming more and more popular in the United States. This kind of surgery is called cosmetic surgery, and both men and women are turning to this treatment as a way of keeping their appearance young as well as keeping competitive in their jobs. Men especially are beginning to turn to face-lifts(面部拉皮手术), liposuction(taking fat out of the body), and implants(putting artificial parts into their bodies)to help them look younger. As companies downsize(缩编)and move younger employees into higher positions, older employees in their late forties and early fifties feel the need to look and act younger in order to stay competitive. These operations are not without danger, however.Q: Cosmetic surgery is more popular in the US than anywhere else.

【阅读判断】Mr. Ibadov’s eldest son has just turned 70. He lost count long ago of how many grandchildren he has. “I’m an old man now I look after the sheep, and I prepare the wood for winter. I still have something to do". Q; Mr. Ibadov can’t do any kind of work anymore.

【阅读判断】Yes, things look like economy will get worse. The reality, however, really depends on how you look at it and react to this situation. Like any challenge in life, it's not what actually happens that will determine the outcome, it's what you decide to do about it.Q: The key to dealing with challenges lies in your attitudes towards what has happened. 

【阅读判断】Energy beamed down from space is one step closer to reality, now that California has given the green light to an agreement that would see the Pacific Gas and Electric Company buy 200 megawatt (兆瓦) of power beamed down from solar-power satellites beginning in 2016. But some major challenges will have to be overcome if the technology is to be used widely.Q: Solar-power satellites will use radio waves to beam energy down from space. 

【阅读判断】Though Boerman says the company believes it can make space-based solar power work, it is not expecting to crowd out other forms of renewable energy. Laws in California and other states require increasing use of renewable energy in coming years, he points out. "To meet those needs, we're going to need all types of renewable energy sources," he says.Q: There is no more need for other renewable energy sources if the company makes the space-based solar power work successfully. 

【阅读判断】El Nino tends to develop between April and June and reaches its peak between December and February. The warming tends to last between 9 and 12 months and occurs every two to seven years.Q; It takes about eight months for El Nino to reach its peak.

【阅读判断】In life, you will constantly be facing challenges, times when it's tough to feel confident about what will happen in the future. Times like these will have different degrees of intensity and duration. The greater the degree and the longer the duration, the greater the fear and sense of uncertainty will be.Q: The fear and sense of uncertainty will be independent of the degree and the duration of difficult times.