每个句子中均有一个词或词组用斜体字型，请从四个选项中选择一个与斜体部分意义相近的词或词组代替或解释句中的划线部分。
31. Our public transportation is not sufficient for the need of the people in our major cities.
A excessive B additional C efficient D adequate
32. We should be cautious in crossing a crowded street.
A careful B intelligent C quiet D weary
33. We made a deliberate decision to live apart for a while.
A apparent B international C partial C mechanical
34. The child asked numerous questions.
A complex B considerable C complicated D considerate
35. My letter of inquiry brought no response.
A impression B reply C explanation D charge
36. All my life I have tried to be an honest man.
A slender B single C silent D sincere
37. A reasonable price is a moderate one, not too expensive.
A fair B false C fast D fatal
38. I don't think I'm acquainted with the situation.
A concerned over B informed about C worried about D good at
39. It makes sure that he is well taken care of.
A guarantees B forces C hopes D finds
40. The protestors handed out leaflets describing their grievances.
A. exchanged B deleted C distributed D proved
31.D 32.A 33.B 34.B 35.B 36.D 37.A 38.B 39.A 40.C
