Unit 4 Astronomy the science of the starsPeriod Three Discovering useful structures课时训练一、用适当的连接词填空1._ he said at the meeting surprised us greatly. 【what】2. It has been found _plastics can be widely used in industry. 【that】3. It worried her a lot _her wallet was lost. 【that】 4. Can you tell me_ that man was? 【who 】5. I wonder _we can do about the problem of pollution. 【what】6. I know nothing about her but_ she is from Canada. 【that】7. The reason why he has been such a success is_ he never gives up. 【that】8._is troubling me is _I dont have any experience in this kind of work. 【what;that】二、单项填空：1. Drinking too much _ your health.A. is harm to B is harmful to C. does harmful to D. harm to 2. _that your daughter is well again, you no longer have anything to worry about. A. Since B. Now C. As D. Because 3. He _his hang on my shoulder. A. laid B. lay C. lied D. lain 4. -Its your turn _the text, Tom. -Im sorry I cant recite it. A. reciting B. to recite C. recited D. recite 5. When and where we _the meeting _still a problem.A. have; are B. shall have; is C. had; is D. will have ; are6. It worried her a bit _her hair was turning grey.A. while B. that C. if D. for 7._she will be given the job is still under discussion.A. Whether B. That C. If D. What 8. _is a main subject is known to everybody.A. English B. That English C. The English D. What English 9. The support of the students_ the losing team and they played harder, so in the end they won the game.A. brought up B. cheered up C. grew up D. turned up 10. They lost their way in the forest, and _made matters worse was that the night began to fall.A. it B. what C. which D. that 11. No one can prevent the plan _.A. from carrying out B. to carry out C. being carried out D. to be carried out 12.This book is _for a seven-year-old child to read. A. too much difficult B. too more difficult C. much too difficult D. more too difficult 13. The fact is _computers are of great aid to the development of science and technology.A. whether B. how C. that D. what14. He is sure to learn how to repair the computer_ if he continues working hard.A. in time B. on time C. over time D. at one time15 People cant afford expensive things_ the prices of daily goods going up. A as B for C with D since16. It is reported that the united states uses_ energy as the whole of Europe.A as twice B. twice much C. twice much as D. twice as much17.-How long are you staying? -I dont know _A Thats B Never mind C It depends D It doesnt matter18The camera isnt missing. Its still_ where I _ it a month ago. A lies; lay B lies; laid C lays; lay D lays; laid19. Thats the best way you thought of _into dangerous areas.A stopping people to get B to stop people gettingC keeping people getting D preventing people to get20.Just because of his own carelessness, he was made to do it _time.A the second B a second C second D a twice【1.B】【2.B】【3.A】【4.B】【5.B】【6.B】【7.A】【8.B】【9.B】【10.B】【11.C】【12.C】【13.C】【14.A】【15.C】【16.D】【17.C】【18.D】【19.B】【20.B】