单选题：第47题__________

题目分类：卫生类
题目类型：单选题
查看权限：VIP

题目内容：

第47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：

What advice might Maquet give to those who have a crucial te

What advice might Maquet give to those who have a crucial test the next day?A．M

分类：卫生类题型：单选题

In their study, researchers led by Pierre Maquet took advan

In their study, researchers led by Pierre Maquet took advantage of the techniqu

分类：卫生类题型：单选题

Smoking will be banned in all public places here.

Smoking will be banned in all public places here.A．forbidden B．allowed C．permitt

分类：卫生类题型：单选题

根据下面材料，回答题。Eat More, Weigh Less, Live LongerClever genetic d

根据下面材料，回答题。Eat More, Weigh Less, Live LongerClever genetic detective work may ha

分类：卫生类题型：单选题

In "Speed Reading" courses, teachers often asks students to

In "Speed Reading" courses, teachers often asks students to __________.A．find t

分类：卫生类题型：单选题