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问题 选择题

Those are _____________.[ ]

A. their cloth

B. their clothes

C. his ruler

D. her ruler

答案

答案：B

单项选择题

肥厚型梗阻性心肌病时，下述哪种措施可能使胸骨左缘3～4肋间的喷射性收缩期杂音减弱（）

A.合化硝酸甘油

B.β受体阻滞剂

C.静注美西律

D.屏气动作

E.α受体阻滞剂
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单项选择题

A security market in which all the bids and asks for a stock are gathered to arrive at a single price that satisfies most of the orders is best described as a:（）

A. Call market.

B. Dealer market.

C. Continuous market.
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