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约1180字。
　　2010届高三英语复习题：Unit 14 Roots
　　习题精选
　　一、选择题:
　　1.The _________ we don t trust him is _________ he has often lied.
　　A. reason why, that B. reason how, that
　　C. reason why,－D. reason that, because
　　2. Both my strength and money ________.
　　A. were given out　　B. gave out
　　C. was given out　　D. give out
　　3. The device(装置) ________ flashes of light in the fog.
　　A. gives out　　B. gives in　　C. give off　　. gives back
　　4. I help him to ________ in bed.
　　A. roll over　　B. roll up　　C. roll on　　D. roll by
　　5. I wish I ________ run as fast as a horse in the next race.
　　A. could　　B. should　　C. would　　D. can
　　6. Do you consider ________ any good sending more people over?
　　A. that B. it C. this D. us
　　7. You made so many mistakes in the exam. You ________ your lessons well.
　　A. needn’t have prepared B. mustn’t have prepared
　　C. can’t have prepared D. shouldn’t have prepared
　　8. The doctor gave me some medicine ________ three times a day before meal.
　　A. to be taken　　B. to take C. taken D. taking
　　9. As soon as I saw him, I ________ him.
　　A. knew B. recognized ember D. got to know
　　10. He plans to ________ his father to give up smoking.
　　A. advise B. persuade C. talk D. ask for
　　11. ________ she saw him she knew he was her elder brother.