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【单选题】
一水泥28天6个胶砂抗压强度试件的测值分别为35.0,41.0,43.0,42.0,46.0,39.0(单位:MPa),那么该水泥28天的强度为( )。A.
43MPa
B.
41MPa
C.
42.2MPa
D.
该组试件作废(注:按新标准)
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举一反三
【单选题】----- I want to know if I _________ smoke here. ----- No, you ___________. Can’t you see the sign “NO SMOKING” there?
A.
shall; won’t
B.
may; mustn’t
C.
can; needn’t
D.
must; can’t
【单选题】---I want to know if I can smoke here? ---No, you _________. Could you see the sign “NO SMOKING” there?
A.
needn’t
B.
couldn’t
C.
won’t
D.
mustn’t
【单选题】On a rainy day I was driving north through Vermont, ______ I noticed a young man holding up a sign _____ “Boston”.
A.
where; reading
B.
when; reading
C.
where; to read
D.
when; to read
【单选题】— I think smoking is bad for your health. You see the sign 'No Smoking' there. — Yes, I know. But I simply can't _____. [ ]
A.
give it away
B.
give it in
C.
give it out
D.
give it up
【单选题】I found I could easily make myself _________ by using sign language.
A.
understood
B.
understand
C.
to understand
D.
being understood
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