浙江专版2020中考英语复习:词汇运用九科普知识+学习提高试.docx
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1、词汇运用(九) 科普知识+学习提高【Group 1】.用方框中所给词语的适当形式填空。每词限用一次。throughcollectdifficulthonestput off1.My uncle has a large of stamps from all over the world.2.The boy told his teacher that it was he who broke the window with a ball.3.When Ma Yun was a college student, he learned spoken English talking to foreigne
2、rs in hotels.4.We wont the sports meeting unless it rains heavily.5.The little girl had some in doing her homework, so she called up Sue for help.根据短文内容和所给中文提示,在空白处写出单词的正确形式。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
3、iPads before sleeping. Such electronic products make the 6.(大脑) more active, and then influence sleep. But according to a latest 7.(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 el
4、ectronic products at night may reduce the brain 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 nig
5、ht 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). 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
6、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.【Group 2】.用方框中所给词语的适当形式填空。每词限用一次。throwdecideadvantagehelpfulafter all1.Before we make any , we should listen to what the others say.2.You should be easy
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