8. The survival _____ of some wild animals is not as high as it was, because they are ruthlessly hunted for their skins. A. degree B. ration C. rate D. scale ...

3. 请找出同义词：docile A. obedien B. rebellious C. submissive ...

20: I can't ( ) her another day; she never stops complaining. A: come up with B: keep up with C: put up with D: catch up with ...

5: After a whole day of hard work I'm very tired. It's time we _____ home. A: go B: shall C: went D: should go ...

38: They took________ measures to prevent poisonous gases from escaping in the chemical plant. A: fruitful B: beneficial C: effective D: influential ...

33: Over thirty coal miners were reported _________ in that shocking accident. A: to be killed B: to have been killed C: having been killed D: being killed ...

28: ( ) a choice of two jobs, the man decided to take the one which was more challenging. A: When being offered B: When offering C: When he is offered D: When offered ...

23: A good many proposals were raised by the students, ( ) had been expected. A: that B: what C: as D: so ...

17: They are trying to _______ the waste discharged by the factory for profit. A: exploit B: exhaust C: expose D: exhibit ...

11: The idea sounds very good but will it work in ( )? A: practice B: common C: advance D: turn ...