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水是生命之源，工农业之本；没有水就没有生命，也就没有生机勃勃的地球．下列叙述中不正确的是
[ ]
A.
将硬水用作锅炉用水易结水垢
B.
软水与肥皂水混合搅拌不易起泡沫
C.
地球上可被人类直接利用的淡水资源是有限的
D.
生活污水的任意排放会造成水体污染
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【单选题】Community College Squeeze Eigh-year-old Jenna Tibbitts has a near-perfect GPA(Grade Point Average), and her parents can afford to send her to the four-year university of her choice. But the New Je...
A.
There are fewer unemployed workers.
B.
The recession drives people to get training early.
C.
There are more fresh high-school graduates.
D.
There are fewer students for additional training.
【单选题】指出“幼儿园必须把保护幼儿的生命和促进幼儿的健康放在工作的首位。”的文件是( )
A.
幼儿园工作规程
B.
幼儿园教育指导纲要
C.
关于卫生改革与发展的决定
D.
3-6岁儿童学习与发展指南
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【单选题】Community College Squeeze Eigh-year-old Jenna Tibbitts has a near-perfect GPA(Grade Point Average), and her parents can afford to send her to the four-year university of her choice. But the New Je...
A.
There are fewer unemployed workers.
B.
The recession drives people to get training early.
C.
There are more fresh high-school graduates.
D.
There are fewer students for additional training.
【单选题】指出“幼儿园必须把保护幼儿的生命和促进幼儿的健康放在工作的首位。”的文件是( )
A.
幼儿园工作规程
B.
幼儿园教育指导纲要
C.
关于卫生改革与发展的决定
D.
3-6岁儿童学习与发展指南
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