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问题 单项选择题

伞：雨衣

A．现金：支票

B．空调：暖气

C．钢笔：铅笔

D．蚊香：蚊帐

答案

参考答案：B

解析： 伞和雨衣都可以遮雨，伞还有遮阳的功能。空调和暖气都有取暖的功能，空调还有降温的功能。

改错题

短文改错（共10小题；每小题1分，满分10分）

下面的短文中共有10处语言错误，每句中最多有两处。错误涉及到一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（^），并在其下面写出该加的词。

删除：把多余的词用（\）划掉。

修改：在错的词下划一道横线，并在该词下面写出修改后的词。

注意：

1．每处错误及其修改均仅限一词。

2．只允许修改10处，多者（从第11处起）不计分。

College students have few ways to pay their college fees. Many students have their parents to do it. Some students may apply to a bank loan and others will try to find part-time jobs in and out of the campus. Apart from this, many good student can win a scholarship, in this way they can pay at least part of the fees. As to me, I will let my parents pay half of their fees because they are that rich. Beside my study, I will take up a part-time job by teach some high school students math, physics, chemistry and English, as I’m very good at these important subjects. Of course I will also work very hard at my lessons in order to I can easily win a scholarship.
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单项选择题

某企业电网先期装有4台发电机（2×30MW+2×42MW），后期扩建2台300MW机组，通过2回35kV线路与主网相联，主设备参数如表所列，该企业电网的电气主接线如图所示。

如果330kV并网线路长度为80km，采用2×400mm2导线，同塔双回路架设，充电功率为0.41Mvar/km，根据无功平衡要求，330kV三绕组变压器的35kV侧需配置电抗器。若考虑充电功率由本站全部补偿，请计算电抗器的容量为下列哪项数值？（）

A.1×30Mvar

B.2×30Mvar

C.3×30Mvar

D.2×60Mvar
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