Unit 1 练习 . 请根据首字母及图片提示补全所缺单词。1. The geography teacher said, “The E _moves around the Sun.” 2. Mike is playing with the m_ of the plane. 3. The s _ shuttle _ will take the astronauts to the moon. . 请选择适当的单词填空，有的需要变换形式。 每词限用一次。several, month, already, latest, discover1. Have you heard the _ news of the sports meeting? 2. I called him_ times, but he didnt answer. 3. We all know that there are twelve _ in a year. 4. The scientists have recently _ a new star. 5. I have _ had the camera for over two years. . 请根据汉语句子完成英语句子，每空一词。1. 玲玲在做什么呢？What is Lingling _?2. 我爸爸刚刚做了一个新书架。My father _a new bookshelf. 3. 你给你的老师发过电子邮件了吗？ 是的，发过了。 _you_ an email to your teacher? Yes, I have. 4. 那个科学家不在家，他已经出差去美国了。The scientist isnt in, and he _ the USA _ . 5. 有一些宇航员已经去过月球两次了。Some astronauts _ the moon twice. . 请选择适当的选项完成对话，使其完整通顺。A: Hello. This is Mike speaking. May I speak to Dennis, please? B: Yes, speaking. This is Dennis. A: (1) _B: Ive just watched a DVD. A: (2) _B: Its great. And I have learned a lot from it. A: What is the DVD about? B: (3)_A: Mars? Im very interested in it. Is there any life on Mars? B: I think the answer is no. A: (4) _B: Yes, they have. A: (5) _B: Several months. A: Its really a long but exciting journey. A. How long has it taken to get there? B. What are you up to? C. Its about Mars. D. Have the scientists sent a spacecraft to Mars? E. What do you think of it?Unit 1 参考答案. 1. Earth 2. model 3. space . 1. latest 2. several 3. months 4. discovered 5. already . 1. up to / doing now 2. has just made 3. Have; sent 4. has gone to; on business 5. have been to . 15 BECDA