Generally speaking, the author's attitude towards the use of nevirapine is_________
A. negative
B. positive
C. uncertain
D. doubtful
查看答案
A. simplerB. more complexC. more meaninglessD. more troublesome
A. simpler
B. more complex
C. more meaningless
D. more troublesome
A. desiredB. sideC. littleD. immediate
A. desired
B. side
C. little
D. immediate
We may learn from this passage that HIV resistance against nevirapine
A. lasts only for about a half year and fades quickly
B. will last forever in a woman who took nevirapine
C. is a terrible drug that must be banned at once
D. is a problem too difficult to be solved
Why does HIV resistance against nevirapine build very quickly even when the drug is used
A. Because the drug is not strong enough to kill all of the HIV in the body.g. Because there may not be a susceptibility test before usingthe drug.
Because other drugs are not present to kill the virus particles that survive nevirapine.
C. Because there are too many mutations of HIV for nevirapine to deal with.
微信支付 
支付宝支付