ods fresh without preservatives
B) it discovered tiny globules in both cream and butter
C) it revealed the secret of how bacteria multiply in cream and butter
D) it found that cream and butter share the same chemical composition
37. According to the researchers, cream sours faster than butter because
A) are more evenly distributed in cream
B) multiply more easily in cream than in butter
C) live on less fat in cream than in butter
D) produce less waste in cream than in butter
38. According to Brocklehurst, we can keep cream fresh
A) removing its fat C) reducing its water content
B) killing the bacteria D) altering its structure
39. The word " colonies" (Line 2, Para. 4) refers to
A) tiny globules C ) bacteria communities
B) watery regions D) little compartments
40. Commercial application of the research finding will be possible if salad cream can be
made resistant to bacterial attack .
A) by varying its chemical composition
B) by turning it into a solid lump
C) while keeping its structure unchanged
D) while retaining its liquid form
Part III Vocabulary and Structure
41. She ought to stop work; she has a headache because she ________ too long.
A) has been reading B) had read C) is reading D)read
42. Niagara Falls is a great tourist ________, drawing millions of visitors every year.
A) attention B) attraction C) appointments D) arrangement
43. I don't mind ________ the decision as long as it is not too late.
A) you to delay making C) your delaying to make
B) your delaying making D) you delay to make
44. The hopes, goals, fears and desires ________ widely between men and women,
between the rich and the poor.
A) alter B) shift C) transfer D) vary
45. Corn originated in the New World and thus was not known in Europe until
Columbus found it ________ in Cuba.
A) being cultivated B) having cultivated C) been cultivated D) cultivating
46. The sale usually takes place outside the house, with the audience ________ on benches,
chairs or boxes.
A) having seated B) seating C) seated D) having been seated
47. This kind of glasses manufactured by experienced craftsmen ________ comfortably.
A) is worn B) wears C) wearing D) are worn
48. Some diseases are ________ by certain water animals.
A) transplanted B) transformed C) transported D) transmitted
49. Wouldn't you rather your child ________ to bed early?
A) go B) went C) would go D) goes
50. Although Anne is happy with her success she wonders ________ will happen to
her private life.
A) that B) what C) it D) this
51. The words of his old teacher left a ________ impression on his mind. He is still
influenced by them.
A) long B)lively C) lasting D) liberal
52. Mike's uncle insists ________ in this hotel.
A) staying not B) not to stay C) that he would not stay D) that he not stay
53 . We agreed to accept ________ they thought was the best tourist guide.
A) whatever B) whomever C)
[责任编辑:bulesky]
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