Part III Vocabulary (20 minutes)(共30小题；每小题0.5分，满分15分)Directions: There are 30 incomplete sentences in this part. For each sentence there are four choices marked A), B), C) and D). Choose the ONE answer that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the centre.
51、Some educators try to put students of similar abilities into the same class because they believe this kind of ________grouping is advisable.
（本题分值：0.5分）
【正确答案】
A
A) homogeneous
B) instantaneous
C) spontaneous
D) anonymous
52、Even sensible men do ________ things sometimes.
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【正确答案】
B
A) abrupt
B) absurd
C) acute
D) apt
53、The commission would find itself ________ at every turn if its members couldn’t reach an agreement.
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【正确答案】
D
A) collided
B) savaged
C) crumbled
D) hampered
54、Grain production in the word is ________but still millions go hungry.
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【正确答案】
C
A) staggering
B) shrinking
C) soaring
D) suspending
55、He developed a ________attitude after years of frustration in his career.
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【正确答案】
D
A) sneaking
B) disgusted
C) drastic
D) cynical
56、They believed that this was not the________ of their campaign for equality but merely the beginning.
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【正确答案】
A
A) climax
B) summit
C) pitch
D) maximum
57、Several guests were waiting in the ________for the front door to open.
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【正确答案】
A
A) porch
B) vent
C) inlet
D) entry
58、As the mountains were covered with a ________ of cloud, we couldn’t see their tops.
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【正确答案】
C
A) coating
B) film
C) veil
D) shade
59、We couldn’t really afford to buy a house so we got it on fore purchase and paid monthly ________
（本题分值：0.5分）
【正确答案】
D
A) investments
B) requirements
C) arrangements
D) installment
60、The magician made us think he cut the girl into pieces but it was merely an ________ .
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【正确答案】
A
A) illusion
B) impression
C) image
D) illumination