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【单选题】
砂浆强度等级是以边长为70．7mmX70．7mmX70．7mm的立方体试块，在温度为(20±2)℃，一定湿度条件下养护()，测得的抗压强度来确定的。A.
2d
B.
3d
C.
14d
D.
28d
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反馈参考答案：
举一反三
【多选题】When facing conflicts, American businessmen would_______.
A.
confront problems directly
B.
bring things in the open
C.
use authority to solve problems
D.
settled things in private
【多选题】When facing conflicts, American businessmen would_____.
A.
use authority to solve problems
B.
settled things in private
C.
confront problems directly
D.
bring things in the open
【多选题】When facing conflicts, American businessmen would_____.
A.
use authority to solve problems
B.
settle things in private
C.
confront problems directly
D.
bring things in the open
【单选题】听力原文： American businessmen frequently use social situations to make business deals. One of the best examples of this practice is the business lunch. Therefore, knowing how to conduct yourself at a bus...
A.
Sending invitation cards to as many people as possible.
B.
Reserving a table at least one day in advance.
C.
Taking your order before you are seated.
D.
Keeping calm and talking to your clients.
【简答题】Some American businessmen in China are spending a lot of time in_____Chinese.A. learning B. to learn C. learned D. being learned
【单选题】American businessmen usually like to start talking business _____________ .
A.
at a later stage
B.
after dinner
C.
at once
D.
after a rest
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