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词汇运用(八)睡眠专家的建议+纳米机器人治疗癌症A()用方框中所给单词的适当形式填空。每词限用一次。sharedividehitplantsleep 1.Dont make any noise. Your grandfather in bed.2.My sister likes making friends. She often her ideas with them.3.Next week the students in our class into different teams to play basketball.4.It snowed heavily last night, so a car a tree by accident a moment ago.5.People in this city lots of trees over the past few years.()xx泰安改编 根据短文内容和所给中文提示,写出空白处各单词的正确形式。每空限填一词。In todays world, sleep experts often say that for a better nights rest, Americans should turn off their smartphones or iPads before sleeping. Such electronic products make the brain more active, and then influence their sleep. But according to a latest 6.(调查), more than 90% of Americans often use a computer or some other kinds of electronic products in the hour before bed.Researchers find that man-made light from some electronic products at night may reduce the 7.(大脑)chemicals that help sleep. In the study, the researchers let volunteers read, play games and watch movies on a screen for different time while 8.(测量) how much light their eyes received. They found that two hours of sitting before a 9.(明亮的)screen at night reduced the sleep chemical levels by about 22%.Then the researchers studied the 10.(学院)students who often used computers at night. They got the similar 11.(结果). And researchers say that may not only 12.(引起) sleeplessness, but also raise the risk of obesity(肥胖症), diabetes(糖尿病) and other 13.(疾病).To be on the safe side, the researchers 14.(建议) that we should use computers less than before, or turn down our screens as much as 15.(可能)before sleeping.B()用方框中所给单词的适当形式填空。每词限用一次。teachtwowriteboyagainst1.The rain began to beat heavily the window of my room. 2.Think about it. Maybe youll change your mind. 3.Peter was a letter to his friend at eight oclock last night.4.Look! There are a couple of waiting for you at the door.5.She has us since I came to this school.()xx达州改编 根据短文内容和所给中文提示,写出空白处各单词的正确形式。每空限填一词。In 2050, a small cloud floats(漂浮) through the air in a hospital operating room. In the room a patient, suffering from cancer, 6.(躺) on a table. The cloud surrounds(包围) the patient, covering her body and 7.(填充) her lungs(肺).The cloud is not smoke or steam(水汽). It is made of millions of microscopic robots 8.(叫作) nano-robots(纳米机器人).These tiny robots 9.(移动) from cell(细胞) to cell in the patients body, destroying the cancer cells.Fighting cancer with nano-robots is only a(n)10.(想法) today, but scientists say that it would be possible in the future. Using nano-robots for good 11.(目的) such as fighting disease or repairing the environment may be the solution(解决办法) to many of todays problems.However, nano-robots could be a bad 12.(冒险) as well. Since nano-robots are so tiny, they will have to work in large teams of many thousands to many millions. For this 13.(原因), nano-robots will have to be programmed to build themselves. Scientists will not have the ability to build millions of nano-robots one by one.This ability to reproduce(复制) is making some scientists 14.(担心的). What if something goes wrong in the programming? Quite a lot of crazy nano-robots would be far more dangerous than any disease. Some people think that if they get out of 15.(控制), nano-robots could destroy the Earth.What should we done? Should we continue researching nano-robots or should we search for other methods? This is one of the many difficult decisions that we have to make in the future.参考答案A()1.is sleeping 2.shares 3.will be divided 4.hit 5.have planted()6.survey7.brain8.measuring9.bright 10.college11.results12.cause13.diseases/illnesses 14.suggest15.possibleB()1.against2.twice3.writing4.boys 5.taught()6.lies7.filling8.called9.move10.idea11.purposes12.risk13.reason14.worried15.control
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