低压配电线路导线分为电缆和架空导线,应采用绝缘导线,导线截面应按中期规划、按照经济电

题型:判断题

问题:

低压配电线路导线分为电缆和架空导线,应采用绝缘导线,导线截面应按中期规划、按照经济电流密度确定,并能满足末端电压和绝缘的要求。详见第一章第三节。当电力电缆与架空线配合使用时,应考虑电力电缆线径比架空线线径大一个等级。

考点:电工电工题库
题型:判断题

Old Bear

Kevin Henkes(2008), under 40 pages

Target Audience: Preschoolers

Price: $3.8

Content: It is snowing really hard and Old Bear is getting ready for his long nap. As he sleeps, he dreams of being a cub again and enjoying the wonders of nature. He dreams about summer, fall, winter and spring and how each season brings him so much joy! The illustrations(插图) show the beauty of the seasons that Old Bear dreams about. Great book!

Half-Minute Horrors

Susan Rich(2009), 120~160 pages

Target Audience: Intermediates (4th~6th grade)

Price: $9.6

Content: Looking for a scary book that is also quick to read? How about a one-paragraph tale of terror or a simple drawing that will make your skin crawl? This book is a collection of very short stories, pictures and cartoons from an impressive group of authors and illustrators.

Leaves

David Ezra Stein(2007), under 40 pages

Illustrated by David Ezra Stein

Target Audience: Toddlers, Preschoolers

Price: $3.4

Content: It’s Little Bear’s first year. Fall has come to his island. When the leaves begin to fall, he wonders what to do. However, after following his instinct and sleeping through the winter, he awakens in spring to find everything blooming once again.

Thanksgiving at the Tappletons’

Eileen Spinelli (2003) , under 40 pages

Illustrated by Megan Lloyd

Target Audience: Preschoolers

Price: $3.5

Content: The Tappletons (bears) are gathered together for their big Thanksgiving feast. However, all is not going well during the preparations. The turkey slides out of the house, down a hill and into a pond. There are no pies at the bakery and the lettuce for the salad has been given to the rabbits. As they sit down for the feast, Grandmother Tappleton reminds them that although they have nothing to eat, they can still be thankful that they have each other.

小题1:Which book has the most pages?

A.Old Bear

B.Half-Minute Horrors

C.Leaves

D.Thanksgiving at the Tappletons’.小题2:What can we learn from the book Thanksgiving at the Tappletons’?

A.We should always keep things in order.

B.We should try to make more delicious food on Thanksgiving.

C.If we don’t work hard, there will be no food.

D.Family love is the most important thing.小题3:If you like reading horror stories, which book would you like?

A.Old Bear

B.Half-Minute Horrors

C.Leaves

D.Thanksgiving at the Tappletons’.小题4:Who are the main readers of these books?

A.Adults.

B.Old people

C.Little children

D.Middle school students.小题5:Where can you probably find this passage?

A.In a travel guide.

B.In an advertisement.

C.In a science textbook.

D.In an official report

题型:判断题

写出下列反应的化学方程式,并在括号里注明反应的基本类型

(1)用胃舒平(主要成分氢氧化铝)治疗胃酸过多            (       )反应。

(2)消毒药水(含双氧水)粘到受伤的皮肤上冒泡                   

(3)铜丝浸入硝酸银溶液中___________________________________ (       )反应。

(4)用一氧化碳和铁矿石(主要成分Fe2O3)在高温条件下炼铁_________________。

题型:判断题

如对已经开出的SWIFT信用证进行修改,则需采用MT707标准格式传递信息。

题型:判断题

发现客户()、有信息(卡)无表、有表无信息(卡)等异常情况,做好现场记录,提出异常报告并及时上报处理。

A、电量异常

B、窃电嫌疑

C、表计故障

D、违约用电

题型:判断题

简述杉木营造技术措施?

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