电力电缆穿管时,管内径应不小于电缆外径的()倍,管壁不小于()mm。
参考答案:1.5;2
短文填空 根据短文内容及首字母提示,补全空格内单词,使短文完整、通顺(10分)
Dear Editor,
I’m a middle school student. I’m writing to tell you about children who are left-behind(留守儿童) in towns around the country. Now, our city is b 小题1: more and more modern. That makes a lot of p 小题2: leave their hometowns to work on building the cities. But when they work in the cities, their children are waiting for them at home. One of the most s 小题3: problems is the loneliness. These left-behind children feel always l小题4: and stressed out because they have no parents’ love. At the same time, nobody can teach them the differences b小题5: right and wrong. So , it’s easier for these children to make m小题6: even break laws. It’s very important for us to pay more a 小题7: to these children if we want to build a harmonious society.
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So how do we s 小题8: this problem? Most of the left-behind children say they miss their parents a lot, e 小题9: during holidays. Maybe the government can set up special group activities for these children during holidays. Of course, the best thing for these families is to be together. As the song says, “If e 小题10: gives their love, the world will be better.”
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Best wishes to you!
Sincerely,
Mary
广告业的真理之一是,在广告中很少需要使用有内容的词句。广告所要做的只是吸引可能的顾客的注意力,因为记忆会促成一切。以产品的销售量而言,顾客对某项产品的记忆比对产品某些特性的了解还重要。 这表明作者这样一种观点( )。
A.广告业对它所促销商品的了解并不多
B.要吸引可能的顾客的注意力并不很困难
C.人们不需要对某产品有深入的了解就能够记住它
D.只为吸引可能的顾客的注意力的广告缺乏真实性