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问题 选择题
把几个小长方体拼成一个大长方体后，它的体积（　　）
A．不变B．变大C．无法确定
答案

答案：A

单项选择题 A1型题

心包摩擦音通常在什么部位听诊最清楚（）

A.心尖部

B.心底部

C.胸骨左缘第3、4肋间

D.胸骨右缘第3、4肋间

E.左侧腋前线3、4肋间
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单项选择题

Questions 27～30

A. The man has always been a valuable employee.
B. The man has often been late for work after lunch.
C. The man has been addicted to alcohol while running errands.
D. The man has been engaging in work-related activities.
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