题目内容

非对称加密是用公钥加密,接收者用私钥解密,黑客可以获取公钥、算法和密文,但是无法进行解密。

A. 对
B. 错

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1. What’stheweather___________ today?

A. be
B. like
C. go
D. feel

2. ————doyouliketheweatherhere?

A. How
B. what
C. who
D. when

3. Whata ——day! The sun is shining.

A. rainy
B. cloudy
C. nice
D. awful

4. Lovely weather, isn’tit?

A.Yes, I am.
B.Yes, it is.
C.No, I am not.
D.No, it is.

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