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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
7、 on these students., they are kids.3.No one knows how much food is away in our country every year.4.The whole world is talking about the of 5G technology provided by Huawei.5.Though the learning Apps are , they are harmful to the students eyesight as well.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。A new ter
8、m has begun. This year may be your busiest school year because you are 6.(准备) for important exams.Good study 7.(习惯) will help you make full use of your time. Here is some advice from the US scientists.Study the same thing in different places.You may have a 8.(定期的) place to studya quiet room or a cor
9、ner of the school library. But scientists say it helps you to remember if you study the same thing in two different places. For example, you can read your Chinese textbooks in your classroom and in the school 9.(花园). See if you remember what you learned better than you had read the same thing 10.(两次
10、) in the classroom.Dont just learn one skill at a time.Have you ever seen athletes training? They usually do strength, speed and skills training together. Our brain works like that, too. It is 11.(好的) at learning different skills than just one at a time. For example, if you are studying English, you
11、 may want to study vocabulary, 12.(语法) and reading all at the same time.Space out(间隔开) your studying.Most of you may have had the 13.(经历) of studying for a long time the night before a test. That may get you a good grade on an exam, but you will soon forget the things you learned. Scientists found t
12、hat spacing improves your 14.(能力) to remember things. You can study for an hour 15.(今晚), an hour on the weekend, another hour a week from now. Then you wont need to stay up all night for a test.【参考答案】【Group 1】.1.collection2.honest3.through4.put off5.difficulty.6.brain7.survey8.measuring9.bright10.college11.results12.cause13.disease/illnesses14.suggest15.possible【Group 2】.1.decision2.After all3.thrown4.advantages5.helpful.6.preparing7.habits8.regular9.garden10.twice11.better12.grammar13.experience14.ability15.tonight