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【单选题】
下列各组物质中,不能产生氢气的是( ).A.
Zn+HCI
B.
Cu+HNO3(浓)
C.
Mg+H20(沸水)
D.
Al+NAOH
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皮皮学刷刷变学霸
举一反三
【单选题】On which of the following would the author least probably agree?
A.
Mexico is confronting sever water crisis nowadays.
B.
To maintain water's quantity, we shouldn't exploit groundwater.
C.
The poor is a crucial factor in water management.
D.
The government should fashion the public into a water-conscious sentiment.
【单选题】Choose the option that correctly orders the numbered sentences from most to least certain.
A.
3, 2, 5, 4, 1
B.
3, 5, 1, 2, 4
C.
2, 3, 4, 1, 5
D.
2, 3, 5, 1, 4
【单选题】Choose the person with least nutritive practice.
A.
baker
B.
fisher
C.
tramp
D.
nurse
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