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【单选题】
生活中处处有化学。请根据你所学过的化学知识，判断下列说法中错误的是A.
本饮料由纯天然物质配制而成，营养丰富，绝对不含化学物质
B.
塑料像把双刃剑，它极大的方便了人们的生活，但给环境带来了污染
C.
用少量食醋除去水壶中的水垢
D.
儿童适当多吃动物性食物，以起到补锌、促进生长发育的作用
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皮皮学刷刷变学霸
举一反三
【单选题】We learn that the strange voices John Nash heard came from ______.
A.
his subconsciousness
B.
some alien beings
C.
the actor's imagination
D.
the True reality
【单选题】What’s the relationship between“John’S uncle bought a new car yesterday”and“John has an uncle”?
A.
Entailment．
B.
Contradiction．
C.
Tautology．
D.
Presupposition．
【单选题】What does John mean?
A.
John may go with Kate.
B.
Nobody can go with John.
C.
Kate has to go by herself.
【单选题】Early in the film 'A Beautiful Mind,' the mathematician John Nash is seen sitting in a Princeton court- yard, hunched over a playing board covered with small black and white pieces that look like pebb...
A.
Go is a more complex game than chess.
B.
Go reflects the way human beings think.
C.
Go players are likely to feel frustrated.
D.
Go poses a challenge to artificial intelligence.
【单选题】When John Nash went into his mental illness, he didn't realize that ______.
A.
he was quite alerted
B.
he was enlightened
C.
it was mental illness
D.
it was in a movie
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