问答题

舒巴坦是从什么细菌培养出来的？
A、青霉菌
B、链霉菌
C、冠头孢菌
D、金黄色葡萄球菌

答案： B

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Which one of the following sentences is correct?
A. Seldom a witness has held the stand for so long.

B. Seldom has a witness held the stand for so long.

C. Often has a witness held the stand for so long.

D. Usually has a witness held the stand for so long.

答案： B

下列关于全空气空调系统的描述，错误的是（）。
A、由集中处理的空气负担室内负荷
B、由于空气的比热小，通常需要占用较大的建筑空间
C、室内空气品质较好
D、由处理过的空气和水共同负担室内负荷

答案： D