单词拼写。 据下列句子所给汉语注释,在横线上写出空缺处各单词的正确形式。(每空只

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问题:

单词拼写。

据下列句子所给汉语注释,在横线上写出空缺处各单词的正确形式。(每空只写一词)

1. In the 970s, may people in China _____ (仍然)poor, living a hard life.

2. He was greatly _____ (荣幸)to be invited to give a lecture at the meeting.

3. I like to go outing in autumn, especially in _____ (八月).

4. _____ (幸好),he escaped the bad accident yesterday.

5. Please put the_____ (窗帘)of the two windows down to prevent the sunlight coming in.

6. Sorry,the question you asked me was _____ (超出)me.

7. You will be _____ (惩罚)for your fault in the task.

8. I couldn't understand the_____ (解释)you gave me yesterday.

9. The professor_____ (提到)to at the meeting was from Canada.

10. Everyone is _____ (好奇)about what he has done.

考点:单词、词组过去分词一般过去时
题型:填空题

蓄电池过充电应充2h休1h。

题型:填空题

根据下面提供的信息,给“科学发展观”下个定义。 (5分)

①科学发展观是坚持以人为本的一种方法论。

②它的前提是适合中国国情和顺应时代潮流。

⑧它主张经济社会全面协调可持续发展。

④它的总体要求是实行统筹兼顾。

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当金属薄板发生对角翘曲变形时,其矫平方法是沿()锤击。

A、翘曲的对角线 

B、没有翘曲的对角线 

C、周边 

D、四周向中间

题型:填空题
如图所示,理想变压器的原副线圈匝数比n1:n2=1:10,副线圈与阻值R=20Ω的电阻相连.原线圈两端所加的电压u=20sin20πt(V),则(  )

A.副线圈输出交流电的频率为10Hz

B.交流电压表的示数为20V

C.电阻R上消耗的电功率为2kW

D.原线圈中电流的最大值为100A

题型:填空题

在工具制造中,最常用的立体划线方法是哪种?它有什么特点?

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