_______________will not continue if an ongoing operation is changed or deletedA、

正常情况下，妇女阴道PH保持在_______之间，只有_______能在此环境中生存。

目前，临床输血前需检测的病毒有：__________、__________、__________和__________。

精液减少是指一次排精量少于_________；精液量减至数滴，甚至无精液排出称为______；精液过多是指一次排精量超过_______。

正常人精液pH为________。

人体的正常pH为____，主要依靠____、____和____来进行调节，维持动态平衡。

正常前列腺液的外观为________液体，pH为________，镜检红细胞少于_____个/HP，白细胞少于_____个/HP。

29．__________ when you are on the bus or bike．

Which do you think is _________________important, health or wealth?

And they can ______their passports______，making leaving or “escaping” virtually impossible.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

正常精液量为________、________为异常；pH为________，在室温中放置________内完全液化，精子总数________，异常________；活动数________，异常为________；异常精子________，异常为________。