外研版八年级下册Module 3Journey to space Unit 2 We have not found life on any other planets yet 第1课时课课练（wor

Unit 2 第1课时 Ⅰ.根据句意及首字母或汉语提示完成句子 1.I invited all my friends to my birthday party, but n　　　　 of them had time to come. 2.We shouldn’t throw rubbish around. It’s our duty to protect the e　　　　. 3.A g　　　　 of children often play football after school. 4.Now we have a chance to discover the secrets of the 　　　　(宇宙). 5.We all know that 　　　　(光) travels much faster than sound. Ⅱ.用方框中所给单词或短语的适当形式填空 billion, out, go around, on the earth 6.As we all know, the earth 　　　　　　　　the sun. 7.There’s life 　　　　　　　　but there isn’t life on any other planets. 8.My parents were 　　　　　　　　at work from morning to night. 9.　　　　　　　　 of stars are together with the sun in the Galaxy. Ⅲ.根据汉语意思完成句子 10.科学家认为火星上曾经有水。 Scientists think 　　　　 　　　　ever 　　　　water on Mars. 11.如果你有任何问题,你可以和你的老师交流一下。 If you have any questions, you can 　　　　 　　　　your teacher. 12.我们还没有在其他任何行星上找到生命。 We haven’t found life on 　　　　 　　　　planets 　　　　. 13.其他6名歌手中,没有一个有像她那样甜美的声音。 　　　　 　　　　the other six singers has a sweet voice like 　　　　of hers. 14.政府已经投入数亿元来改善环境。 The government has spent 　　　　 　　　　 　　　　 　　　　yuan improving the environment. Ⅳ.用方框中所给单词的适当形式完成短文 environment, news, communicate, spaceship, just, none, astronaut, dream, earth, read Hi, I’m Mike from the UK. Not long ago, I 15.　　　　 two pieces of news on the Internet. One is about a robot called Polly. Polly was great. It could 16.　　　　 with people and help people do many things. It helped people plant trees to protect the 17.　　　　. It went into space by 18.　　　　. There it helped 19.　　　　 work on a space station. Is the 20.　　　　 true I don’t believe it. The other is about a girl called Alyssa Carson. The girl was interested in space travel when she was a small girl. A reporter(记者) from BBC has 21.　　　　 interviewed(采访) her. Alyssa said, “I hope to go to Mars because 22.　　　　 of us has been there before. I want to take the first step.” Alyssa has attended(参加) America’s three world space camps so far. Plenty of people think Alyssa’s 23.　　　　 could come true. If Alyssa goes to Mars, maybe it is very hard for her to go back to our 24.　　　　. However, this girl’s father Bert Carson says, “If that is the only choice she has, she still wants to go.” 答案 【第3课时】 Ⅰ.1.none　2.environment 3.group　4.universe　5.light Ⅱ.6.goes around　7.on the earth 8.out　9.Billions Ⅲ.10.there has; been 11.communicate with 12.any other; yet　13.None of; that 14.hundreds of millions of Ⅳ.15.read　municate　 17.environment　18.spaceship　 19.astronauts　20.news　21.just 22.none　23.dream　24.earth ... ...