暖风器投停规定。

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问题:

暖风器投停规定。

考点:集控巡检员考试集控巡检员考试题库
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只有三条对称轴的平面图形是(  )

A.等腰梯形

B.圆

C.正方形

D.等边三角形

题型:问答题 简答题

下图为直流电源电解稀Na2SO4水溶液的装置。通电后在石墨电极a和b附近分别滴加一滴石蕊溶液,下列实验现象中正确的是

[ ]

A.逸出气体的体积,a电极的小于b电极的

B.一电极逸出无味气体,另一电极逸出刺激性气味气体

C.a电极附近呈红色,b电极附近呈蓝色

D.a电极附近呈蓝色,b电极附近呈红色

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中药的性能包括()、()、()、()、()。

题型:问答题 简答题

读写任务(共 1小题;满分 25分)

阅读下面的短文,然后按照要求写一篇 150词左右的英语短文。

A grand memorial service was held Wednesday, October 28, 2009 in central Hubei province to honor three college students who died rescuing two children from the Yangtze Rive on October 24.Thousands of people holding chrysanthemum(菊花)flowers went to the Jingzhou Memorial House to see off the teenagers, all 19‐year‐old students from the Yangtze university based in Jingzhou City.

The three were Chen Jishi, He Dongxu and Fang Zhao. More than 10 students from the Yangtze University formed a ladder with one student holding another’s arms to rescue the two boys in the river on the afternoon of October 24. One of the student lost his grip(控制) on his classmates and all of them were in danger.Several members of a winter swimming team nearby came to help.Chen Jishi, He Dongxu and Fang Zhao were swept away in the river, but others were saved.People touched by their selfless act had donated more than 500,000 yuan to their relatives on Wednesday.Millions of Internet users made online comments to show their grief(悲伤).

“I am also a college student. I feel sorrow for you,” said “Liu Zhuoya” from northwestern Xi’an

City.However, some questioned the sacrifice. “rifice three and rescue two, is that worthwhile?” asked “Tiaozhantianya” on the forum of www. 163. com. “Rescue can not be blind as they could not swim.”

【写作内容】

1.以约 30个词概括短文的要点。

2.以约 120个词就“救人是否要考虑自身安全”这个主题发表你的看法,至少包括以下要点:

1)当别人有难时,你是否会马上伸出援手?为什么?

2)救人时你是否会考虑自身的安全?

3)假如你当时在场,你会怎样做?

【写作要求】

1.你可以使用实例或其他论述方法支持你的观点,也可以参照阅读材料的内容,但不得直接引用原文中的句子;

2.作文中不能出现真实姓名和学校名称。

【评分标准】

概括准确,语言规范,内容合适,篇章连贯。

题型:问答题 简答题

为了在按下Esc键时执行某个命令按钮的Click事件过程,需要把该命令按钮的一个属性设置为True,这个属性是

A.Value

B.Default

C.Calicel

D.Enabled

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