单选题：第49题__________

题目分类：卫生类
题目类型：单选题
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题目内容：

第49题__________ A．A limited water supply
B．so that it can be used again just as if it were fresh from a spring
C．It is possible to purify large amounts of sea water
D．But even if every large city purified and reused its water
E．And we cannot even use all of that
F．Experiments have already been done in this field

参考答案：

答案解析：

George Spilich's experiment was conducted in such a way as

George Spilich's experiment was conducted in such a way as to__________.A．compe

分类：卫生类题型：单选题

Individuals with autism are particularly weak at__________.

Individuals with autism are particularly weak at__________.A．different technique

分类：卫生类题型：单选题

根据下面材料，回答题。 What Makes Me the Weight I Am?There's no easy an

根据下面材料，回答题。 What Makes Me the Weight I Am?There's no easy answer to this quest

分类：卫生类题型：单选题

He was asked to present his ID card by the policeman.

He was asked to present his ID card by the policeman.A．spread B．open C．show D．ex

分类：卫生类题型：单选题

Mr. Taylor believed that the finding of their study would so

Mr. Taylor believed that the finding of their study would soonA．be criticized by

分类：卫生类题型：单选题