35.　 The teacher discussed with Jim, ____ problems was poor study habits.

　　　 A. one of which　　　　　　 B. one of whose　　　　　　 C. whose　　　　　　　 D. who’s

34.　 In this solar system, only the Earth satisfies the complex conditions ____ for physical life as we know it.

　　　 A. necessary　　　　　　　　 B. are necessary　　　　　　 C. that is necessary 　　 D. is it necessary

33.　 To read Tolstoy and ____ to nineteenth century Russian literature are two excellent reasons for taking Professor Morrel’s course.

　　　 A. to introduce　　　　　　　 B. introduce　　　　　　　　　 C. being introduced　　　 　　 D. be introduced

32.　 -The book isn’t easy for Jack to understand, is it?

　　　 -____. His foreign language is far better than expected.

　　　 A. No, it isn’t　　　　　　　 B. I’m afraid not　　　　　 C. I don’t think so　　　　 D. Yes, it is