单项选择题

3、关于微生物的致病性，下列叙述哪项是错误的（）

A．微生物致病性是指微生物引起疾病的能力
B．致病能力强弱的程度称为毒力
C．致病性有种属特征
D．致病性有赖于细菌的侵袭力
E．微生物引发的疾病与人体的免疫力无关

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单项选择题

What should you do after the interview?
A、 Make sure your resume is up-to-date and print out two clean copies with no wrinkles.
B、 Have a clean, professional outﬁt ready to wear
C、 Make a list of 2-3 questions you may have about the position.
D、 Within two days after your interview, you should always write a thank-you letter or email to your interviewer for meeting with you.

多项选择题

转移刺的路线有哪些? A.
从内到外 B.
从外到内 C.
从上到下 D.
从下到上