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问题 单项选择题 共用题干题

一个典型植物细胞由细胞壁.原生质体以及细胞后含物和生理活性物质组成。

进行光合作用的细胞器是（）

A.有色体

B.白色体

C.线粒体

D.叶绿体

E.染色体

答案

参考答案：D

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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选择题

下列加粗词的活用类型不是名词活用为意动的一项是[ ]

A．襟三江而带五湖，控蛮荆而引瓯越

B．以事秦之心礼天下之奇才

C．侣鱼虾而友麋鹿

D．吾从而师之
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