题目内容

输血相关性传染病不包括

A. 巨细胞病毒感染 B．疟疾
B. 乙型肝炎
C. 甲型肝炎
D. 丙型肝炎

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Participants in the Shanghai Co-operation Forum () regional teamwork to promote investment and economic development.

A. cursed
B. echoed
C. bounced
D. hailed

The course normally attracts 20 students per year, () up to half will be from overseas.

A. in which
B. for whom
C. with which
D. of whom

受体菌直接摄取游离的DNA而获得新的性状的过程称为

A. 转化
B. 转导
C. 接合
D. 原生质体融合E．溶原性转换

一种货币贬值15%，一年后又增值（）才能保持原币值。

A. 15.25%
B. 16.78%
C. 17.17%
D. 17.65%
E. A、B、C、D均不正确