He _______ English for 5 years. Now he c

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问题选择题

He _______ English for 5 years. Now he can speak English very well.

[ ]

A. studied
B. has studied
C. study
D. studies

答案

答案：B

单项选择题

该病人按公式补钠应为

A．16×40×0.3mmol/L

B．16×40×0.4mmol/L

C．16×40×0.5mmol/L

D．16×40×0.6mmol/L

E．16×40×0.7mmol/L

单项选择题

成人基础代谢率为+45%。其甲状腺功能为

A．轻度甲亢
B．中度甲亢
C．正常范围
D．重度甲亢
E．功能低下