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【单选题】
人类最早的“四大发明”发生在()时期。A.
旧石器时代
B.
铁器时代
C.
青铜时代
D.
新石器时代
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反馈参考答案：
举一反三
【简答题】A．Theoretical rather than applied knowledge is emphasized. B．Teachers come from all over the world. C．Each course does not last long. D．New ideas are seldom adopted in their teaching.
【单选题】When ____ to repairing a computer, I have little knowledge of it. [ ]
A.
I come
B.
it comes
C.
we come
D.
they come
【单选题】(come to) have knowledge of something through the mind
A.
conceive
B.
perceive
C.
receive
【判断题】we should mention where it come from when we use proverbs and common knowledge.
A.
正确
B.
错误
【单选题】All of us have come to understand that knowledge ____only from practice.
A.
has come
B.
came
C.
comes
D.
is coming
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