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They took________measures to prevent poisonous gases from escaping.A、fruitfulB、
They took________measures to prevent poisonous gases from escaping.A、fruitfulB、
游客
2023-09-30
40
管理
问题
They took________measures to prevent poisonous gases from escaping.
选项
A、fruitful
B、beneficial
C、sufficient
D、effective
答案
D
解析
fruitful意为“有收获的；富有成效的”；beneficial意为“有利的，有益的”；sufficient意为“足够的，充分的”；effective意为“有效的”。根据句意进行分析，只有effective符合题意,故选D。
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