关于电子信息技术,以下说法正确的是(  )。

关于电子信息技术,以下说法正确的是(  )。 A.光计算可以抗电磁干扰 B.量子计算机于2010年面世 C.光纤通信的传输过程没有任何损耗 D.DNA计算是人类

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The teacher is glad that everyone in her class is__________

The teacher is glad that everyone in her class is__________ (渴望的)to learn.

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They didn't realize the consequence of their action,or they

They didn't realize the consequence of their action,or they wouldn’t have done s

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Why are visitors required to turn off their mobile phones?

Why are visitors required to turn off their mobile phones?A.To ensure the safety

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