2. Unit 1 Has it arrived yet?

3. Solar system Moon MarsEarth

4. Can we get to space? spacecraft space shuttle

5. astronaut

6. Earth Scientist Mars Spacecraft Moon Listen and number the words as you hear them.

7. □ The spacecraft has reached Mars. □ It has landed. □ It has already sent messages back □ to Earth. □ They have found life on the moon. □ They have found life on Mars. Check (√) the true sentences. √

8. We’ve just had some news about the mission to explore Mars. The spacecraft has reached Mars after a journey of six months. The European scientists on Earth haven’t heard if it has landed on Mars yet because it hasn’t sent any messages back. We know that there isn’t any life on the moon, but scientists hope to find signs of life on Mars and other planets in our galaxy. Tapescript

9. Answer the questions Making a model of the space station. He panics. Some scientists have sent a spacecraft to Mars. No one. 2. How does Daming feel about the homework? 1. What homework has Daming got? 3. What news has Tony heard? 4. Who has been to Mars?

10. 1. Astronauts take the ____________ to get to the ____________. 2. They haven’t __________ any _____ on Mars yet. Complete the sentences borrow discover life model recently space shuttle space station discovered life space shuttle space station

11. 3. The _____ of the space station isn’t Daming’s, and he only wants to ______ it. 4. Astronauts haven’t been to the moon _______. The last time was over 30 years ago. model borrow recently

12. 1. What are you up to? 你干什么呢 ? up to 用于非正式场合, 表示 “ 正在干 从事着 ” 。 e.g. The children are very quiet, I wonder what they are up to. Important and difficult points 孩子们现在很安静，我不知他们又在搞什么鬼。

13. 2.Don’t panic! 别慌 ! panic: v. ( 使人或动物 ) 受惊. 3. Have you heard the latest news? the latest: adj. 最近的, 最新的

14. already, yet, ever, never, lately, recently, up to the present, up till now, in the past few years. 现在完成时还与介词 for 引起的时间状 语连用, 动词必须表示持续性的动作或 状态。

15. 4.It has taken several months to get there. take sb. sometime to do sth.: 花费时间做某事 e.g. It took her three hours to mend her bicycle. 她修理自行车用了三小时。

16. 7. bring sb / sth back: 送回某人 / 送回 某物 e.g. Please bring the book back tomorrow. 请明天把书送回来.

17. 副词 here, there, home 则不用 to, in 。 We have been there for the whole morning. 我们一上午一直在那里。 Have you been there? 你在那儿吗？