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问题
单项选择题
可翻转肾上腺素升压效应的药物是
A．舒必利
B．碳酸镁
C．氯丙嗪
D．地西泮
E．三唑仑
答案
参考答案：C
选择题
Viewers continue to watch TV ____ they complain about the quality of the programming.
A. even though
B. as if
C. as long as
D. unless
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单项选择题
胃穿透性溃疡系指溃疡侵及（）.
A.黏膜层
B.黏膜下层
C.肌层
D.浆膜层
E.黏膜和黏膜下层
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