第九章测试1.
Most pathogenic bacteria are considered:
A:
thermophiles
B:merophiles
C:psychrophiles
D:mesophiles
答案:D
2.
The first documented use of a vaccine for smallpox was reported by the English physician:
A:Florey B:Lister C:Jenner D:Fleming 3.
Control of microbial infections can be accomplished by chemical or immune mechanisms. The first report on the production of an antibiotic is credited to：
A:Koch B:Lister C:Ehrlich D:Fleming 4.
An antigen can only have one antigenic determinant site.
A:错 B:对 5.
Please choose the possible outcomes of an infection.
A:Apparent infection B:Nosocomial infection C:Carrier state D:Inapparent infection
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