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1、2019-2020年九年级：Unit5 Look into Science单元练习（含答案） 一、单项选择 1.Father wont allow me to play outside I wash up the dishes.A. if notB. ifC. unlessD. because 2.Can you it? I didnt follow you just now.A. repeatB. rememberC. replyD. report 3.- Oh no! What can I do with my computer?- Press Enter and follow the o
2、n-screen(屏幕) .A. collectionB. instructionsC. educationD. questions 4.I suggest next week.A. go mountain climbingB. will go mountain climbingC. to go mountain climbingD. going mountain climbing 5.This group is of seven men.A. madeB. made upC. help withD. connect with 6. the kid has no parents, his gr
3、andparents look after him well.A. As though; /B. As though; butC. Even though; /D. Even though; but 7.If you the book, youll find something surprising.A. turn downB. turn onC. turn offD. turn over 8.Betty went to the museum and saw many pictures were drawn by a famous person.A. thatB. whoC. whatD. w
4、hom 9.Ill remember the old buildings I visited in the village.A. whereB. whichC. whoD. what10.- I want to find a partner to practice roller skating.- My friend Fred is a person may help you a lot.A. whichB. whoseC. whoD. whom二、完形填空 Technology has made life much easier for children today. It is 11 fo
5、r them to play, to listen to music, and to 12 in touch with their friends. 13 the help of technology, there seems to be nothing that children cant do now. Technology also helps 14 to know more about their children. For example, if a child is given a mobile phone with a tracking(追踪) device, his paren
6、ts can find out 15 he is going with the help of the mobile phone. However, there are also some bad 16 of technology. For example, it has become easier for bad people to get in touch with children with the help of technology. They can find personal information about children through special ways on t
7、he 17 . So it is very important for parents to 18 their children to keep personal information safe while surfing the Internet. Besides this, there is another bad thing about technology. Children now 19 less time doing exercise than before. They are too 20 playing online games. They can even play com
8、puter games all day long. If you dont push them out of the door, they wont volunteer to go out and play. This is not good for their health. Therefore, teaching children the right way to make good use of technology is very important.11.A. easierB. more difficultC. more importantD. harder12.A. loseB.
9、makeC. keepD. contact13.A. ForB. UnderC. WithD. Over14.A. teachersB. friendsC. parentsD. classmates15.A. whenB. whomC. whyD. where16.A. sidesB. placesC. choicesD. winds17.A. phoneB. TVC. radioD. Internet18.A. teachB. learnC. punishD. lend19.A. payB. takeC. costD. spend20.A. lazyB. freeC. busyD. hard
10、-working三、阅读理解A What should you take in with you when you take an exam? Pen, pencil, eraser, ruler, and dont forget a bottle of water! According to a study at the British Psychological( 心理学的) Society Annual Conference held in London, students who bring water into exams may improve their grades by up
11、 to 10 percent. Scientists at the University of East London and the University of Westminster, UK, did a study on 447 students. The students were studying for different degrees(学历) at the University of East London. Only 25 percent of them entered the exam hall with something to drink. Scientists the
12、n compared their exam results with their normal schoolwork grades. They found that all those who had brought drinks with them got better grades by between 2 and 10 percent. It is unclear why drinking water improves exam results. But scientists say having enough water in our bodies and not feeling th
13、irsty could have a helpful effect on our brains. Drinking water may also cut down on anxiety(焦虑), which has a bad effect on exam performances, according to Chris Pawson, PhD, of the University of East London. Whatever the explanation, it is clear that students should try hard to stay hydrated(含水的) w
14、ith water during exams, he said. So next time, when you are going to have a big exam, try bringing a bottle of water with you. Who knowsit may help you pass the exam!21. How much may the students improve their grades most if they bring water into exams?A. By 2%.B. By 8%.C. By 10%.D. By 25%.22. How many students in the study got better grades?A. About 112 students who brought drinks or water into their exams.B
