造成滴虫性阴道炎的原因有
A.月经期后阴道生理功能紊乱
B.阴道滴虫体的寄生
C.阴道pH值升高变为中性或碱性
D.误食不洁食物
E.继发细菌感染
A.月经期后阴道生理功能紊乱
B.阴道滴虫体的寄生
C.阴道pH值升高变为中性或碱性
D.误食不洁食物
E.继发细菌感染
第1题
Tired after the day's work, ______to enjoy the evening.
A.it was difficult for him
B.for him it was difficult
C.he found it difficult
D.he found difficult
第2题
We found him()in the laboratory.
A. work
B. working
C. to work
第3题
A、compiled
B、gathered
C、collaborated
D、joined
第5题
A.compiled
B.gathered
C.collaborated
D.collected
第6题
I found him ______on the ground.
A.lie
B.lying
C.lay
D.to lie
第7题
So difficult _______ that I can not complete it in such a short time.
A.the work is
B.the work are
C.is the work
D.are the work
第8题
I'm looking forward to together with you.
A、working
B、worked
C、work
第9题
The author says Johnson found it very difficult to walk because ______.
A.he could not control his legs
B.he has some psychological barrier
C.people always stared at him
D.it hurt his friends to watch him
第10题
The author says Johnson found it very difficult to walk because ______.
A.he could not control his legs
B.he has same psychological barrier
C.people always stared at him
D.it hurt his friends to watch him
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