概要：4. send back (to) 发送（到），发回（到）；退货What can satellites send back to the earth ?They make a study of the information sent back to earth from weather satellites .You can send back the computer back to the shop if you are not satisfied .5. in space在太空，在宇宙空间A satellite travels in an orbit round another object in space .I hope I’ll be able to walk in space some day .注意：space作“太空，宇宙空间”时为不可数名词，其前不能用冠词。The earth moves through space .From space , the earth looks like a huge water-cover...
高二英语第十四单元Satellites（卫星）－教案,标签：英语教案模板,人教版高二英语教案,http://www.suxue6.com
4. send back (to) 发送（到），发回（到）；退货
What can satellites send back to the earth ?
They make a study of the information sent back to earth from weather satellites .
You can send back the computer back to the shop if you are not satisfied .
5. in space在太空，在宇宙空间
A satellite travels in an orbit round another object in space .
I hope I’ll be able to walk in space some day .
注意：space作“太空，宇宙空间”时为不可数名词，其前不能用冠词。
The earth moves through space .
From space , the earth looks like a huge water-covered globe .
6. fall back (to) 落回（到）；退回（到）
If the rocket does not reach its speed , it will fall back to the earth .
I’m sure the price of TV sets will fall back .
7. send up 发射；使上涨
This satellite has to be sent up into space successfully .
Such bad weather will send the price of vegetables up .
8. make A from B 用B制成A
It has equipment for making electricity from sunshine .
We can make hundreds of useful things from waste material .
注意：make A into B把A 制成B 。下面三句意思一样：We can make paper into these beautiful flowers . = We can make these beautiful flowers from paper . = These beautiful flowers can be made from paper by us .
9. fold up 折叠
Sun panels are folded up inside the satellite .
Please fold up the table to make room for the piano .
10. at a speed of 以……的速度
Signals travel at the speed of light .
It is said that jet plane can fly at a speed of more than 20xx miles per hour .
11. be likely to do 很可能
A fire is likely to break out in such places .
She is likely to give you a ring at supper .
12. the next day or two 未来的一两天
Is it possible for us to say what the weather is like in the next day or two ?
注意：在表示时间的“下一个”时，next 前常不用 the ；在表示“第二……，以后……时”next 前多加 the 。试对比：
She will bring you the magazine next week .
She brought you the magazine the next week .
13. keep out of 不使进入；不去惹事
This notice will keep those who have nothing to do with the meeting out of the building .
I hope you’ll keep your brother out of trouble while I’m away .
14. bring back 带回；归还；使回想起
You must bring these library books back to me next week .
The film brought back my happy childhood .
15. dozens of 几十个
She talked with dozens of scientists at the meeting .
16. put into把……安放进去
Today dozens of satellites have been put into space .
注意：put into 相当于 send up into ，课文中作者把space看成一个大容器，用put into 更显得生动传神。另外，put into 还表示“把……译成；投入”。
17. with the help of sb = with one’s help 在某人的帮助下
18. tell the difference between A and B = tell A from B 说出A 和B的区别
She can’t tell the difference between right and wrong .
19. be diseased 有病了，害了病的
These trees are diseased . You must cut away the diseased branches as soon as possible .
20. look into 调查；研究；往里面看
The government will look into the living cond
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