Io—Jupiter'sRestlessMoon,该文是关于Jupiter论文范文，为你的论文写作提供相关论文资料参考。
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Activity 1
1. e； 2. c； 3. a； 4. g； 5. d； 6. f； 7. b
Activity 2 1. second-hand； 2. get rid of； 3. bargain； 4. fleas； 5. scruffy； 6. unique； 7. disposable income
Activity 3 1. False （F） -People he less money； 2. True （T）； 3. F -They sold scruffy furniture, probably with fleas； 4. F -Flea markets are a good opportunity to sell things you don"t need； 5. T
Activity 4 1. cheaper； 2. biggest； 3. more interesting； 4. more expensive； 5. best
Activity 1
a. a bowl-shaped hole made by a big rock when it hits land very fast
b. a game in which two teams pull a rope in opposite directions
c. always moving and changing
d. find something for the first time
e. move around something in a circular or oval pattern
f. the natural law of physics which keeps suns, planets and moons together
g. the outside part of something that you can touch or see
h. when a volcano suddenly produces la
Discovery
Secrets
Heat
Activity 2
Now complete the sentences using words and phrases from the text. Make any changes to the words that are necessary.
1. Apples fall from trees because of .......... .
2. I had a .......... night last night. I couldn"t sleep at all.
3. Leif Ericson .......... America 500 years before Christopher Columbus.
4. The .......... ended suddenly when the players all fell over.
5. The largest .......... on Earth is 300 kilometres wide. lt"s in South Africa.
6. The moon .......... Earth once every 28 days.
7. The table had a ooth, shiny .......... .
8. When the Krakatoa volcano .......... in 1883, people heard the noise nearly 5,000 kilometres away.
Activity 3
Choose one word from the box to complete each sentence. There are more words than you need.
cold
heat
rocks
Earth
Jupiter
tides
grity
moon
volcanic
1. Galileo was the first person to see four moons in orbit around .......... .
2. Before Voyager 2, most people thought that Io was .....
3. The explanation for Io"s ooth surface is that it is .......... .
4. Io"s heat is caused by the .......... of Jupiter and two other moons.
5. The forces that affect Io are so strong that rocks move like ......
Activity 4
Look at these sentences from Paragraph 2 0f the text.
结论：关于本文可作为Jupiter方面的大学硕士与本科毕业论文Jupiter论文开题报告范文和职称论文论文写作参考文献下载。