公开选拔和竞争上岗的主要区别是（）。A、考察方式不同 B、职位要求不同 C、面向范围

阅读下面材料，从每题所给的三个选项（A、B和C）中，选出最佳选项。

Invention 1	These glasses are made from a special liquid(液体). They allow users to adjust the focus(调整焦距) of the glasses until everything is clear. They are designed for children. So they won’t buy new glasses every time when their eyesight changes.
Invention 2	The Donkey Bike has a strong steel bar(钢条) running along it. It can carry both a gas can and a pet at the same time when you ride this bike.
Invention 3	This machine looks friendly and is called Little Printer. It can print news headlines, riddles and other things on a roll(卷) of paper. So you can make your own little newspaper with it.

小题1:The special glasses are made from ______.

A. steel        B. liquid     C. paper

小题2:Which of the following is True about the “Donkey Bike”?

A. It can carry four persons.

B. It is designed for children.

C. It includes a strong steel bar.

小题3:The roll of paperin Little Printer is used for ______

A. cleaning the cover of the machine       

B. printing your own newspaper

C. reading news headlines or riddles

小题4:A child who has poor eyesight may be interested in ______.

A. Invention 1       B. Invention 2     C. Invention 3

小题5:The passage is mainly about ______.

A. the change of eightsight    B. a gas can and a pet    C. some cool inventions

谭嗣同在其代表作《仁学》中说，幸亏清朝的兵不够强，假如其海军如英法，陆军如俄德，那么君主专制的祸害会更大。此话主要

A．体现谭嗣同的汉 * * 卖国思想

B．强调君主专制的祸害

C．提出学习英法德俄民主政体

D．指出清朝军事的落后

在直角坐标系中，用线段顺次连接点（-2，0），（0，3），（3，3），（0，4），（-2，0）．（1）这是一个什么图形？（2）求出它的面积；（3）求出它的周长．

以下关于软件性能测试的说法中，正确的是______。

A．达到百分之百的语句覆盖是软件性能测试的一个前提条件

B．并发进程数是度量软件性能的一项基本指标

C．探测软件在满足预定的性能需求的情况下所能负担的最大压力是失效恢复测试的主要目的之一

D．发现压力下软件功能的缺陷是软件性能测试的主要目的之一

项目开工前应由( )向承担施工的负责人或分包人进行书面技术交底。

A．项目经理
B．设计负责人
C．项目技术负责人
D．专业技术负责人