Unit4 Topic3 SectionC 精品学案
一、 预习热身
A. 在书中找出下列重要短语，翻译成中文并在书中勾划出来然后进行标注。 no doubt with the help of instead of doing for instance B. 在书中找出下列有用的表达，翻译成中文在书中勾划并进行标注。 solve the problem come into being daily life get headaches sore eyes improve one’s life keep one’s heart beating place and cancel orders C. 在书中找出下列重要的句子，在书中进行勾划并标注。
1. There is no doubt that computers are very useful in technology and business. ______________________________________________________________________ 2. Tiny computer which are inside patients’ bodies can keep their hearts beating normally.
______________________________________________________________________ 3. In business, computers are used to place and cancel orders.
______________________________________________________________________ 二、重难点释疑
1. _________________________ computers are very useful in technology and business.
毫无疑问，电脑在技术和商业领域非常有用。
no doubt 意为“无疑地，没有疑问，毋庸置疑”，可构成：There is no doubt + that 从句，意为“毫无疑问……”.如： There is no doubt that we are wrong.
2. …keep their hearts beating normally. ……使他们的心脏正常跳动。 keep sb. / sth. doing sth. 意为“使某人、某物不停地做某事”。 3. In business, computers are used to place and cancel orders be used to do sth. 某物被用来做什么。如：
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The water is used to water the flowers.这水被用来浇花。 注意区别：be used to doing sth.习惯做某事。 place and cancel orders 意为“下订单和取消订单”。 place an order for sth. 意为“定……货，下……订单”。如：
I would like to place an order for ten copies of this book .这本书我想要定十本。
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仁爱版英语九年级上册 Unit4 Topic3 SectionC 精品学案
