属于专性需氧菌的是（）。 A.大肠杆菌 B.葡萄球菌 C.结核杆菌_爱下问搜题

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问题单项选择题 A1/A2型题

属于专性需氧菌的是（）。

A.大肠杆菌

B.葡萄球菌

C.结核杆菌

D.肺炎球菌

E.伤寒杆菌

答案

参考答案：C

选择题

— Tom says he is too tired to go on.
— He can't be. He ________for an hour.

A. just worked
B. has only been working
C. has just worked
D. had only been working

问答题简答题

试述右心衰竭的临床表现。