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题目列表(包括答案和解析)

在探究“家用电器”的综合实践活动中,小明与同学合作,在爸爸的协助下,以家里的电水壶为观察、研究对象,记录了如下表中的有关数据。

根据上表中的记录,请解答下面的问题。
(1)求通电2min壶中的水吸收的热量;[c=4.2×103J/(kg·℃)](2分)
(2)求电水壶中发热体正常工作时的电阻值;(2分)
(3)求2min内电水壶消耗的电能和实际功率。(3分)

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在下列各句的空格内填上一个适当的完整的单词,该词的首字母已给出。
【小题1】Don’t be afraid of m_________ mistakes when you speak English.
【小题2】He h       doing the chores because he thinks they’re boring.
【小题3】He will do better if you give him one more  c       .
【小题4】Thursday is the f________ day of a week, not the fourth.
【小题5】Jim is h         than Paul . That is to say,Paul is thinner than Jim.

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在下列各句的空格内填上一个适当的完整的单词,该词的首字母已给出。
【小题1】Hurry up, or we won't c_________the early bus.
【小题2】He was so s        that he had to go to bed early.
【小题3】Susan was so careless_ that she made many m ___     in the test.
【小题4】No one can go into the garden without p_______    .
【小题5】Most people are t        of snakes.

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在我们的日常生活当中,有许多经典的、脍炙人口的广告语,语言简短、流畅,反映产品特性,有个性,成功地塑造了企业或品牌的形象,给大家留下了深刻的印象。你能将下面的这些图片和广告语对应起来吗?请将图片的序号填在相应的横线上






A             B             C               D                   E                          

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在下列各句的空格内填上一个适当的完整的单词,该词的首字母已给出。

1.The policeman asked politely, “ May I look at your driver’s l_______?”

2.There will be a Chinese painting e________ in the national museum next week.

3.Pass me that pair of glasses, please. I can’t see the words c___________.

4.What a nice girl Lucy is! She often h_________to do housework.

5.Betty can speak two l__________, Chinese and English.

 

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