皮皮学，免费搜题
登录
搜题
【简答题】
空气中的病原微生物可引起____感染或____感染;空气中非致病菌,可造成医药制剂、生物制品及培养基等的____。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Some people claim that nuclear energy is essential because ______.
A.
it provides a perfect solution to mass unemployment
B.
it represents an enormous step forward in our scientific evolution
C.
it can meet the growing demand of an industrially developing society
D.
nuclear power stations can be run and maintained by relatively few technical and adadministrative staff
【单选题】Put the following portions in their appropriate places in the half-finished leaflet. 1.
A.
B.
C.
D.
D
【单选题】Woman: I heard there was a terrible mine accident. They didn't want anyone to know. Man: I think it is impossible to black out this news. Question: What does the man mean?
A.
It is impossible to keep it out.
B.
It is impossible to know it.
C.
It is unlikely to pr it from being known.
D.
It is unlikely to stop spreading the news.
【简答题】There was a terrible rainstorm unexpectedly. The rain caused the streets 36 and the subway system almost came to a stop. Unfortunately, this happened during the morning rush hour. Many people who were...
【简答题】put in the appropriate expression to complete each of the following sentences.
【单选题】Some people claim that nuclear energy is essential because______.
A.
it provides a perfect solution to mass unemployment
B.
it represents an enormous step forward in our scientific evolution
C.
it can meet the growing demand of an industrially developing society
D.
nuclear power stations can be run and maintained by relatively few technical and administrative staff
相关题目：