16. A peculiarly pointed chin is his most memorable facial ________.

A) mark B) feature C) trace D) appearance

17. John Dewey believed that education should be a preparation for life， that a person learns by doing， and that teaching must ________ the curiosity and creativity of children.

A) seek B) stimulate C) shape D) secure

18. Criticism and self-criticism is necessary ______ it helps us to find and correct our mistakes.

A) by that B) at that C) on that D) in that

19. However， at times this balance in nature is ________， resulting in a number of possibly unforeseen effects.

A) troubled B) disturbed C) confused D) puzzled

20. The patient‘s health failed to such an extent that he was put into ________ care.

A) tense B) rigid C) intensive D) tight

16-20 BBDBC

21. Does everyone on earth have an equal right ________ an equal share of its resources?

A) by B) at C) to D) over

22. In 1914， an apparently insignificant event in a remote part of Eastern Europe ________ Europe into a great war.

A) inserted B) imposed C) pitched D) plunged

23. The British are not so familiar with different cultures and other ways of doing things， ________ is often the case in other countries.

A) as B) what C) so D) that

24. We had to ________ a lot of noise when the children were at home.

A) go in for B) hold on to C) put up with D) keep pace with

25. What he said just now had little to do with the question ________ discussion.

A) on B) in C) under D) at

21-25 CDACC

26. Over a third of the population was estimated to have no ________ to the health service.

A) assessment B) assignment C) exception D) access

27. Professor Taylor‘s talk has indicated that science has a very strong ________ on the everyday life of non-scientists as well as scientists.

A) motivation B) perspective C) impression D) impact

28. These goods are _______ for export， though a few of them may be sold on the home market.

A) essentially B) completely C) necessarily D) remarkably

29. The shy girl felt ____ and uncomfortable when she could not answer her teacher‘s questions.

A) amazed B) awkward C) curious D) amused

30. Frequently single-parent children ________ some of the functions that the absent adult in the house would have served.

A) take off B) take after C) take in D) take on

26-30 DCABD