皮皮学，免费搜题
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【单选题】
一种决定病毒致病性的成分是A.
核酸
B.
衣壳
C.
包膜
D.
刺突
E.
酶类
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【单选题】Bob: Wow, look, all the things are on sale. Jane: Yes, look at here, this is 50% off.______. Bob: And look at the shoes. They are 30% off the normal price.
A.
I' d like to buy a skirt.
B.
There are some real bargains.
C.
Are the prices reasonable?
D.
These shoes are the same as mine.
【简答题】From just five in 2000, the number of destinations on offer _______ to 25 in only six years.
【简答题】______是我国最大的渔港和鱼货集散地，素有“渔都”之称，它与秘鲁的______港、挪威的______港被称为世界三大渔港。
【简答题】“世界三大渔港”是_____、_____、_____。
【简答题】一艘油轮于某年10月初从A港出发,经大西洋、印度洋、太平洋于次年8月抵达B港。读甲、乙、丙三图,回答1-3题。 图中C城市所临海区是世界四大渔场之一的__________渔场,B城市南部海域则有著名的________渔场,试分析两渔场形成的原因。
【单选题】If you want to use Windows 2000, but your computer only has 64 MB, what will you have to do?
A.
Enlarge its RAM to at least 256 MB
B.
Put in good software in your computer.
C.
Enlarge its RAM to at least 128 M B
D.
Buy a new computer.
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