问题 多项选择题

使用摇表时应注意()。

A.被测设备应带电进行

B.摇测高压设备的绝缘电阻,应选用电压等级为2500V的摇表

C.大容量设备摇测完毕,应先停摇,后断开线路

D.雷电时严禁摇测线路绝缘

E.测量高压设备或大容量设备可由一人进行

答案

参考答案:B, D

问答题
阅读理解

Read this article and find out which one is a must-read for your children for Thanksgiving.

Clifford’s Thanksgiving Visit

Clifford has to stay home with his neighbors, as Emily Elizabeth’s family goes visiting her grandmother. At first, Clifford feels lonely, thinking of his own family, but then he decides to visit his mother too. He travels many miles, crosses bridges, and he even gets into the subway!   Follow Clifford’s trip to the big city! At http://www.powells.com. it is $3.99. The author is Norman Bridwell. It is for children aged 4-8.

The Magic Tree House

The Magic Tree House describes how Jack and Annie return back to the eve of the first Thanksgiving. There they meet the pilgrims(移民) as well as Squanto, a native American who helped them. The story offers an age-appropriate, in-depth picture of what life was really like for early settlers, as well as their adventures and excitements. It is for ages 4-8. The book costs

$2.50 at http://www.powells.com. The author is Sal Murdocca.

Franklin’s Thanksgiving

Franklin thinks that there will be an over-abundance of food for Thanksgiving dinner. So he invites his teacher and friends for Thanksgiving dinner. It costs $2.50 at www.Powells.com. The book is for children aged 4-8. The author is Paulette Bourgeois.

The First Thanksgiving

The First Thanksgiving is for ages 4-8 and it tells about the story of the pilgrims’ learning languages. It is beautifully illustrated with plenty of beautiful watercolors(水彩画). The author is James Waiting and the price of the book is $2.50. You can find it on http://www.powells.com.

小题1:Clifford travels to the big city probably because ________.

A.he is eager to visit his grandmother

B.he is not happy at home

C.he misses his neighbors very much

D.he likes traveling very much小题2:If you are interested in the pilgrims’ life you can read ________.

A.Clifford’s Thanksgiving Visit

B.The Magic Tree House

C.Franklin’s Thanksgiving

D.The First Thanksgiving小题3:Kids can understand The First Thanksgiving better with the help of ________.

A.teachers

B.other readers

C.pictures

D.computers