潮湿天气容易触电是因为()A、电流减小; B、电阻减小; C、功率加大; D、电压加

题型:单项选择题

问题:

潮湿天气容易触电是因为()

A、电流减小;

B、电阻减小;

C、功率加大;

D、电压加大

考点:无线电装接工考试无线电装接工考试题库
题型:单项选择题

Everybody wants to be healthy. You know food is very important. There are many healthy food. You can have more bananas, apples, oranges, tomatoes and lettuce because fruit and vegetables are good for you. But don't eat too much chocolate. It's not healthy food. Healthy food can make you grow and make you strong and happy. Remember there is a saying—“An apple a day keeps the doctor away”. Sports can also keep you healthy. Get up early and do some sports every day. Don't be lazy. You will be healthy and happy.

小题1:Which is right?

A. Everybody is healthy. 

B. We want to be healthy.   

C. We are important.

小题2:What are healthy food?

A. Fruit and vegetables.

B. Bananas, apples and chocolate.

C. Fruit and chocolate.

小题3:Why are healthy food good for you?

A. They make you happy.

B. They make you grow strong.

C. They make you grow and make you strong and happy.

小题4:“An apple a day keeps the doctor away” means_______.

A. You eat an apple every day and you can be healthy

B. The doctor runs away when you give him an apple

C. The doctor goes away when he sees an apple

小题5:What keep you healthy?

A. Fruit and vegetables.  

B. Healthy food.      

C. Healthy food and sports.

题型:单项选择题

指出下列作文题目的体裁。    

《记一个三好学生》(         )《扫墓记》(         )                     《集市见闻》(         )

《春雨》(          )                《一枚心爱的邮票》(         )        《在家千点活该不该》 (         ) 

《老猫和小猫》(          )      《工夫不负有心人一一<鲁班学艺>读后感》(        )

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弛振

题型:单项选择题

在数据库设计中,将E-R图转换成关系数据模型的过程属于( )

A.需求分析阶段

B.逻辑设计阶段

C.概念设计阶段

D.物理设计阶段

题型:单项选择题

在同一高度上,重量增加会使得爬升梯度和爬升率减小,由此可知()

A.VY和VX增加

B.VY和VX减小

C.VY和VX与重量无关

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