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问题 单项选择题

在2月13日进行的索契冬奥会速度滑冰女子1000米决赛中，中国选手（）以1分14秒02获得冠军，为中国速度滑冰摘取冬奥历史上第一枚金牌。

A.张红

B.李坚柔

C.赵楠楠

D.周洋

答案

参考答案：A

单项选择题

“水能载舟，也能覆舟”出自( )。

A．唐太宗

B．魏征

C．司马迁

D．孔子
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单项选择题

In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet. There are two types of key technology: private key and public key. Private-key encryption methods are called (71) ciphers, information is encrypted with (72) both the sender and receiver hold privately. Public-key encryption methods are called (73) ciphers, (74) created for each user, encryption key and decryption key are (75)

A．same

B．different

C．difference

D．some
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