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Children’s brains can’t develop properly they lack protein.A. whenB. sinceC. becauseD. unl
Children’s brains can’t develop properly they lack protein.A. whenB. sinceC. becauseD. unl
发布时间:2020-08-17 15:16:31
Children’s brains can’t develop properly they lack protein.
A. when
B. since
C. because
D. unless
网友回答
(答案→)A. when
B. since
C. because
D. unless
解析:本题考查when的一个特殊用法。在本题中的when引导的是一个条件状语从句,相当于if。整个句子的意思是:如果孩子缺少蛋白质,大脑就不能正常发育。
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