《Planet Danny》Look into Science! PPT课件

《Planet Danny》Look into Science! PPT课件下载

第一部分内容：Think About It!

1. Do you know any of the planets in the solar system?

2. What would you like to look at with a telescope?

New words

certainly adv. 当然

unless conj.除非

double n.& adj.两倍（的）

telescope n. 望远镜

solar adj.太阳的

mystery n.奥秘

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Planet DannyPPT，第二部分内容：Listening Task:

true or false. 

(     ) 1. Danny is standing in the yard when Jenny comes.

(     ) 2. Danny borrowed his father’s telescope.

(     ) 3. The sunset today is about 7:10 pm.

... ... ...

Planet DannyPPT，第三部分内容：Language Points

1. I don’t think you can find one unless you have a bigger telescope. 我认为你发现不了星星，除非你有一个大点的望远镜。

unless，连词，意为“除非，如果不”，引导条件状语从句，相当于if…not…

I will go for a picnic unless it rains tomorrow. 如果明天不下雨，我就去野餐。

One can not learn a language well unless one works hard. 学好一种语言非下苦功不可。

2. Well, it’s worth a try, even if I don’t find a planet. 不过，那值得一试，即使我没有找到一颗行星。

1) worth形容词，意为“值得的”，只做表语，后常跟名词或代词做宾语。be worth doing意为“值得做某事”。

The watch is worth 5 yuan. 这块表值5元钱。

The book is worth reading. 这本书值得读。

2) even if意为“即使”，相当于even though，引导让步状语从句，不能和but连用。

Even if you don’t like reading, you’d better read this book. 即使你不喜欢阅读，你最好读这本书。

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Planet DannyPPT，第四部分内容：Practice

根据句意及提示补全单词。

1. I ________ (当然) know the answer.

2. Ten is the d______ of five.

3. If we want to watch stars far away, we should use a t________.

4. The earth is part of the _____ (sun) system.

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