The nonsmoker’s blood contains______amounts of carbon monoxide; on the other hand, the smoker’s blood contains______amounts.

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问题 The nonsmoker’s blood contains______amounts of carbon monoxide; on the other hand, the smoker’s blood contains______amounts.

选项 A、definite; moderate
B、minute; excessive
C、bland; adequate
D、moderate; frequent

答案B

解析 本题考查形容词辨析。题干中的nonsmoker’s,on the other hand和smoker’s提示,两个空里要填的形容词意思应相反,即不吸烟者的血液里一氧化碳的含量少,吸烟者的多,只有minute(极小的,微不足道的)和excessive(过多的)符合要求,故[B]项为答案。
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