皮皮学，免费搜题
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【单选题】
根据混凝土结构施工规范要求,钢筋的抗拉强度实测值与屈服强度实测值的比值不应( )。A.
<1.25< /div>
B.
>1.25
C.
<1.3< /div>
D.
>1.3
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举一反三
【判断题】You should use polite expressions and more formal grammatical structures in writing business emails.
A.
正确
B.
错误
【单选题】If you want to communicate with others, we should use more ________.
A.
polite expressions
B.
direct expressions
C.
impolite questions
【判断题】If you want to choose from more driver updates for your network adapter, you should use Custom Install.
A.
正确
B.
错误
【判断题】If you greeting a female, you should use Ms instead of Miss or Mis, since it will be more polite and decent.
A.
正确
B.
错误
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