1.A) kidneys B) lungs C) bones D) livers
2.A) with B) without C) of D) out of
3.A) increased B) decreased C) changed D) disappeared
4.A) make B) take C) try D) test
5.A) as if B) as though C) as far as D) as soon as
6.A) refer B) apply C) lead D) amount
7.A) effective B) ineffective C) expensive D) inexpensive
8.A) cured B) to cure C) being cured D) having been cured
9.A) many B) more C) few D) fewer
10.A) provided B) introduced C) tested D) tempted
11.A) bring about B) contributed to C) promote D) prevent
12.A) increases B) reductions C) creations D) collections
13.A) developed B) invented C) delayed D) refused
14.A) easy B) uneasy C) sure D) unsure
15.A) with B) to C) onto D) into
答案：BCABD CAACC DBBCD
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