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【单选题】
It was not long _______ the news spread and people from all over the world came to visit this miracle.A.
after
B.
before
C.
when
D.
until
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】脑电图正确的叙述是
A.
正常人思考时，脑电图以α波为主
B.
高频低幅波是同步化的表现
C.
低频高幅波是去同步化的表现
D.
可反映大脑皮层的兴奋状态
E.
睡眠中脑电波都是低频波
【单选题】Why are the Labour Party and the Conservative Party said to be 'well-oiled'?
A.
They are well-operated.
B.
They are supported financially.
C.
They are well-maintained.
D.
They own more supporters.
【单选题】He _______ live in the countryside than in the city.
A.
would rather
B.
had better
C.
may as well
D.
prefers
【简答题】钢材按（）、（）等杂质含量不同，可分为普通钢、优质钢和高级优质钢。
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