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【简答题】
如果a<0，且ab<0，那么b（ ）0。
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举一反三
【单选题】If you want to stay safe,you must remember to______.
A.
often wash your hands.
B.
wear a mask when you stay at home.
C.
eat wild animals
【简答题】调节阀的最小可控流量与其泄漏量不是一回事。
【单选题】You will pay ______ if you want to stay in the English club for half a year.
A.
300 yuan
B.
600 yuan
C.
1200 yuan
【单选题】You may do ______ you want on condition that you stay in the room. [ ]
A.
whatever
B.
no matter what
C.
that
D.
all what
【单选题】If you fall into apathy , do you want to (a) change the world, or (b) stay at home and do nothing?
A.
You want to change the world.
B.
You want to stay at home and do nothing.
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