55. The house was sold for $60,000, which was far more than its real ____.

A. cost　 B. value　 C. price　 D. money

54.D　　 四个选项中只有scores of能修饰复数名词。many a修饰单数名词。

54. Every year, ____ graduates take pan in TOEFL for further education abroad.

A. too much B. several scores　 C. many a　 D. scores of

53.A　 keep one's mind on sth专心做某事;keep sth in mind记住某事。

53.---Tom, keep your_____ on your studies.

　　 --- Sure, mum. I'll keep that in_____.

A. mind;mind　 B.heart;headC. brain; mind D.heart;brain

52.D course在此意为“(一)道(菜)”，“(一)盘(菜)”。

52. ---What do you think of the dinner in Mr Brown's?

---Oh, great! We have never had a better one. It's a dinner of twenty ____.

A. drinks　　 B. people　 C. tables　 D. courses

51.B wooden作定语，意为“用木头(块)制成的”，wood作定语，意为“就木头本身制成的”。从该题题干可看出，在木头上雕刻各种花样，应为wood carving。

51. His job is to sell the ____ carvings in the ____ department of the company.

A. wooden; sales B. wood; salesC. wood; saleD. wooden; sale

50.C 考名词辨异。A、B、D三个选项都是不可数名词，不可与a single连用。