传统的免疫学方法仅限于体液免疫产生的抗体与各种抗原在体外进行反应,故称为血清学反应。
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《伯杰氏手册》和《安.贝氏菌物词典》是目前细菌和真菌分类最重要的典籍。
A. 对
B. 错
目前普遍采用的分类系统为三域学说。
A. 对
B. 错
What is NOT the branch of American government?
A. legisalture
B. representative
C. executive
D. judiciary
The Supreme Court has original jurisdiction in ___.
A. all kinds of cases
B. cases involving foreign diplomats
C. cases involving a state
D. both B and C