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问题 单项选择题

（三）根据下边统计资料回答126～130题：1990年某市对六种鞋类的全年消费情况进行了调查，发现城乡居民购买倾向有一定差别，农民人均年消费量除旧式球鞋高于城镇居民，布鞋持平外，其他鞋类消费量均低于城镇居民。例如，农民每百人年均消费皮鞋17.6双，比城镇居民低83%，旅游鞋25.3双，比城镇居民低53%，雨鞋7.5双，比城镇居民低66%，拖鞋30.2双，比城镇居民低80%。

下列鞋类，农民人均年消费量最少的是：()

A．拖鞋

B．皮鞋

C．雨鞋

D．旅游鞋

答案

参考答案：C

多项选择题

属于湿热类的温病有（）

A.暑温

B.伏暑

C.暑湿

D.湿温

E.烂喉痧
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单项选择题

Certificates are (16) documents attesting to the (17) of a public key to an individual or other entity. They allow verification of the claim that a given public key does in fact belong to a given individual. Certificates help prevent someone from using a phony key to (18) someone else. In their simplest form, Certificates contain a public key and a name. As commonly used, a certificate also contains an (19) date, the name of the CA that issued the certificate, a serial number, and perhaps other information. Most importantly, it contains the digital (20) of the certificate issuer. The most widely accepted format for certificates is X.509, thus, Certificates can be read or written by any application complying with X.509.

A．impersonate

B．personate

C．damage

D．control
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