女性，40岁，痰结核菌阳性的肺结核患者，考核疗效的主要指标是（

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问题单项选择题

女性，40岁，痰结核菌阳性的肺结核患者，考核疗效的主要指标是（）。

A.胸片病灶好转

B.症状减轻或消失

C.血沉正常

D.痰菌转阴

E.以上都不是

答案

参考答案：D

选择题

-Ten minutes ago, there __________ an eraser, a pen and some books on the desk.But now there __________ anything on it.

-Don't worry. Maybe someone put them away.

A. was, isn't

B. were, isn't

C. is, wasn't

D was, wasn't

选择题

The Tiangong-1 was sent _______ September 29th, 2011. [ ]

A. in

B. on

C. at

D. with