问题 填空题

变压器的铁心构成电磁感应所需的(),铁心常用薄的硅钢片相叠而成目的是为了减少()损耗.

答案

参考答案:磁路;涡流

填空题
写作题

假设你叫李华。你的表哥王平在美国留学,今年春节没有回国。他在给你的邮件中提到他非常想家,想了解你们过春节的情况。请根据以下提示用英语给他写一封回信:

1.节俭过春节,做到“光盘”用餐;

2.减少燃放鞭炮,清洁空气;

3.希望介绍国外过春节的情况。

注意:1.词数120—150。

2.可适当增加细节,以使行文连贯。

参考词汇:节俭的:frugal;放鞭炮:set off firecrackers。

Dear cousin,

I'm glad to hear from you.___________________________________________________

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Yours,

Li Hua