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问题 单项选择题

我国混凝土结构设计规范规定：对无明显流幅的钢筋，在构件承载力设计时，取极限抗拉强度的（）作为条件屈服点。

A.75%

B.80%

C.85%

D.70%

答案

参考答案：C

单项选择题

While a client with hypertension is being assessed, he says to the nurse, "I really don’t know why I’m here. I feel fine and haven’t had any symptoms. " Which of the following would be the nurse’s best response

A. "Symptoms of hypertension are often not present. "
B. "Symptoms of hypertension signify a high risk of stroke. "
C. "Symptoms of hypertension occur only with malignant hypertension. "
D. "Symptoms of hypertension appear after irreversible kidney damage has occurred. "
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选择题

—Is everyone here? 

—Not yet. Look, there ______ the rest of our guests!   [ ]

A. come    

B. comes    

C. is coming    

D. are coming
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