问题 单项选择题 案例分析题

某企业的110kV变电所,地处海拔高度900m,110kV采用半高型户外配电装置,110kV配电装置母线高10m,35kV及10kV配电装置选用移开式交流金属封闭开关柜,室内单层布置,主变压器布置在室外,请回答下列问题:

计算变电所的110kV系统工频过电压一般不超过下列哪一项数值()?并说明依据和理由。

A.94.6kV

B.101.8kV

C.125kV

D.138.6kV

答案

参考答案:A

完形填空

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Students will need to use all of their skills in order to understand the reading selections in Reader’s Choice.

小题1:These selections provide practice on employing different reading skills to get the message of the writer. They also give students practice in four basic reading skills: skimming, scanning, reading for thorough comprehension, and critical reading.

Skimming involves reading quickly through a text to get an overall idea of its contents. This kind of rapid reading is suitable when you are trying to decide if careful reading is desirable or小题2:

Like skimming, scanning is also quick reading. However, in this case the search is more   concentrated.    小题3:When you read to find a particular date, or number you are scanning.

Reading for thorough comprehension is carefully reading in order to understand the total   meaning of the passage. At this level of comprehension the reader is able to summarize the author’s ideas小题4:.

Critical reading demands that a reader makes judgments about what he or she reads. This kind of reedit requires posting and answering questions such as “小题5:”, “Do I share the author’s point of view?” and “Am I convinced by the author’s arguments and evidence?

A.Does my own experience support that of the author?

B.Reader’s Choice is one of the most popular magazines in the world.

C.but has not yet made a critical evaluation of those ideas.

D.The book contains many types of selections on a wide variety of topics.E To scan is to read quickly in order to find out specific information.

F. Do I know about the author?

G. when there is no time to read something carefully.

综合