皮皮学，免费搜题
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【单选题】
小儿麻痹的病原体是A.
脊髓灰质炎病毒
B.
流行性乙型脑炎病毒
C.
麻疹病毒
D.
EB病毒
E.
单纯疱疹病毒
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【简答题】A．We can invent ways of increasing rainfall. B．We can develop ways of reusing water and utilizing sea water. C．We can cut down our consumption of water. D．We can reduce the number of factories produci...
【简答题】A．We can invent ways of increasing rainfall. B．We can develop ways of reusing water and utilizing sea water. C．We can cut down our consumption of water. D．We can reduce the number of factories produci...
【简答题】A．We can invent ways of increasing rainfall. B．We can develop ways of reusing water and utilizing sea water, C．We can cut down our consumption of water. D．We can reduce the number of factories produci...
【单选题】——would you like to go and see the film with me this evening?——I am sorry, I can’t because I ____
A.
18．——would you like to go and see the film with me this evening? ——I am sorry, I can’t because I ________my homework. A．does
B.
did
C.
am doing
D.
has done
【单选题】I’m sorry I can’t cook for you because the supply of gas ____.
A.
has run down
B.
has run away
C.
has run into
D.
has run out
【简答题】Why shouldn’t you be nervous? Because it may affect your _________________________________.
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