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【单选题】
(:16-问题6.4-3)、下列哪项不是生活饮用水水质卫生标准制定的依据( )。A.
毒理学指标
B.
细菌学指标
C.
感观性状和一般化学指标
D.
流行病学指标
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反馈参考答案：
举一反三
【单选题】— Will Mr. Black be here soon? — I’m not sure. Let’s go and see .
A.
when will the train arrive
B.
when the train will arrive
C.
when the train will arrive at
D.
when will the train arrive at
【单选题】Let’s go and see the flower show ____you finish your homework.
A.
while
B.
as soon as
C.
until
【单选题】—I heard Tom was badly injured in the football match. — , let’s go and see him.
A.
If ever
B.
If so
C.
If not
D.
If any
【单选题】-Listen! Who______ in the room? -Let’s go and see.
A.
is crying
B.
crying
C.
cry
D.
cries
【单选题】— I hear Peterson was badly injured in the accident. — , let’s go and see him.
A.
What’s more
B.
If so
C.
If possible
D.
When necessary
【单选题】---- Tim was seriously hurt in the match and sent to hospital. ---- _____, let’s go and see him.
A.
If so
B.
If not
C.
If necessary
D.
If any
【单选题】— I hear Johnson was badly injured in the accident. — ____, let’s go and see him.
A.
What’s more
B.
If so
C.
Where possible
D.
When necessary
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