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问题 选择题
下列词语中，没有错别字的一项是（   ）
A．推祟、物竟天择、失之毫厘B．伧俗、惟妙惟俏、天衣无逢
C．驻足、整然有序、巧妙绝纶D．斟酌、充耳不闻、无动于衷
答案

D

A中应是“推崇”“物竞天择”；B中应是“惟妙惟肖”，“天衣无缝”；C中应是“井然有序”“巧妙绝伦”。

单项选择题

下列属于建筑工程保险有关特殊说明、定义及保证等内容的条款是（）。

A.清除滑坡土石方特别除外条款

B.罢工、暴乱及民众骚动扩展条款

C.内陆运输扩展条款

D.工程完工部分扩展条款
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单项选择题

In a public-key cryptosystem, (71) encrypted with the public key can only be deciphered with the private key from the same (72) . Conversely, (71) encrypted with the private key can be decrypted only with the public key. Users can make their public keys (73) available or place them at a key distribution center or others to access. However, the private key must be (74) safe. In public-key systems there’s no (75) to find a safe channel for communicating a shared secret key.

A. free B. freelyC. locally D. partly
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