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2017.12.28ҽѧרҵ֪ʶÿһϰ

Դйҽ ʱ䣺2017-12-28 11:41:33
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༭Ƽȫ˲Ƹҽѧ֪ʶϰҵλԼ

й˲20171228ҽѧרҵ֪ʶÿһٴҽѧ֪ʶϰܣԹҸõϰͱսҽҵλƸԡ

1.37꣬˫Σ˫ȣ˫Сȣ˫ˣռģ()

A.45%

B.46%

C.48%

D.51%

2.һ55%50kgˣһ24СʱҺΪ()

A.2750ml

B.4125ml

C.6125ml

D.7645ml

3.ķθʱõĴķǣ()

A.ͷ̧򤷨

B.˫̧W

C.W

D.״ѹȷ

4.ķθֳȴʩABC裬Aǣ()

A.˹

B.

C.˹ѭ

D.עҩ

5.ӦҪǣ()

A.Ҳ

B.

C.Ķ

D.ĵͼһֱֱ

6.ĸ­ѹֵ()

A.0.5kpa

B.1.5kpa

C.2.5kpa

D.3kpa

𰸺ͽڶҳ...

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