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【单选题】
夫珠玉金银，饥不可食，寒不可衣。但是古往今来人们还是喜欢金银，并作为财富的象征。其根本原因是（）A.
货币和商品是同时出现的
B.
本质是一般等价物
C.
金银是贵重金属
D.
金银基本职能是贮藏手段
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举一反三
【单选题】How old is he?
A.
He are 22 years old.
B.
He is 22 years old.
C.
He is 22 year old.
D.
He is 22 years olds.
【简答题】If he hadn’t been so (care), he wouldn’t have made so many spelling mistakes.
【简答题】(hybrid, deny, buzz, indication, stumble into, flexible, panic, faulty, leap,ironic) 1.It is more than a little 1 that some insurance companies can’t even ensure their own survival. 2.If he hadn’t 2 t...
【单选题】．__________, we would not have achieved so much.
A.
If they didn’t help us
B.
If it hadn’t been their help
C.
Weren’t it for their help
D.
Had it not been for their help
【简答题】药物效能反映药物_______的大小,而效价强度则反映药物与_______的大小。
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