Section II: Close Test

Directions:

For each numbered blank in following passage, there are four choices marked [A], [B], [C] and [D]. Choose the best one and mark your answer on ANSWER SHEET 1 by blackening the corresponding letter in the brackets with a pencil. (10 points)

Vitamins are organic compounds necessary in small amounts in the diet for the normal growth and maintenance of life of animals, including man.

They do not provide energy, __41__ do they construct or build any part of the body. They are needed for __42__ foods into energy and body maintenance. There are thirteen or more of them, and if __43__ is missing a deficiency disease becomes __44__.

Vitamins are similar because they are made of the same elements -- usually carbon, hydrogen, oxygen, and __45__ nitrogen. They are different __46__ their elements are arranged differently, and each vitamin __47__ one or more specific functions in the body.

__48__ enough vitamins is essential to life, although the body has no nutritional use for __49__ vitamins. Many people, __50__, believe in being on the “safe side” and thus take extra vitamins. However, a well-balanced diet will usually meet all the body’s vitamin needs.

41.   [A] either

[B] so

[C] nor（C）

[D] never

42.   [A] shifting

[B] transferring

[C] altering（D）

[D] transforming

43.   [A] any

[B] some

[C] anything（A）

[D] something

44.   [A] serious

[B] apparent

[C] severe（B）

[D] fatal

45.   [A] mostly

[B] partially

[C] sometimes（C）

[D] rarely

46.   [A] in that

[B] so that

[C] such that（A）

[D] except that

47.   [A] undertakes

[B] holds

[C] plays（D）

[D] performs

48.   [A] Supplying

[B] Getting

[C] Providing（B）

[D] Furnishing

49.   [A] exceptional

[B] exceeding

[C] excess（C）

[D] external

50.   [A] nevertheless

[B] therefore

[C] moreover（A）

[D] meanwhile

上一页  [1] [2] [3] [4] [5] [6] 下一页