[P9-50]
Some fish have a greater __________ for acid water than others.
A) tolerance
B) resistance
C) dependence
D) persistence
注：1. tolerance 忍耐，忍受
2. resistance 抵抗
3. dependence 依赖
4. persistence 恒定不变，坚持，持续
[P9-51]
There was once a town in this country where all life seemed to live in _____ with its surroundings.
A) coincidence
B) harmony
C) uniform
D) alliance
注：1. harmony 和谐，协调
2. coincidence 巧合，一致
3. uniform 制服；统一的，一致的
4. alliance 联盟
[P9-52]
The court considers a financial ______ to be an appropriate way of punishing him.
A) payment
B) obligation
C) option
D) penalty
注：1. penalty 惩罚
2. payment 付款
3. obligation 责任，义务
4. option 选择
[P9-53]
It is true that____ a wild plant into a major food crop such as wheat requires much research time.
A) multiplying
B) breeding
C) magnifying
D) generating
注：1. breed 生养
2. multiply 增加
3. magnify 放大，扩大
4. generate 产生
责任编辑：虫虫
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