职称英语职称英语卫生类2012年职称英语考试卫生类B级真题试卷
题目内容

The words “Bear in mind undetectable does not equal absent” by Ho’s means

2024-07-09

A.AIDS virus can be undetectable in the blood.

B.AIDS virus is undetectable in the blood.

C.No AIDS virus can be detected in the bloo

D.D.No virus found in the blood means no AIDS.

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