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问题 单项选择题

可以确诊胰腺炎的血清淀粉酶数值是( )

A．500苏氏单位/L
B．125苏氏单位/L
C．1000苏氏单位/L
D．350苏氏单位/L
E．250苏氏单位/L

答案

参考答案：A

单项选择题

《米德哈尼斯的林荫道》的作者是荷兰画家 ( )

A．维米尔

B．雷斯达尔

C．伦勃朗

D．霍贝玛
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选择题

--- He worked out such different questions at a very young age.

--- Oh, he ______ a very smart student then.

A．could have been

B．should have been

C．might have been

D．must have been
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