电大资源网《理工英语3》形成性考核册作业题目和答案2018.pdf

电大资源网 《理工英语（3）》形成性考核册参考资料2018 《理工英语（3）》是国家开放大学2017 年春季新开的课程之一，对国家开放大学的理科专业学生进 行统一考试。该资料对学生完成学习任务起着一定的辅助作用。电大资源网还有国家开放大学其他课程的参 考资料，可以参考。 注：本科目已按字母排版整理成期末考试小抄 作业1 一、交际用语 （共计10 分，每小题 2 分） 1-5 题：阅读下面的小对话，选择恰当的答语。 1. - How long is this cell phone guaranteed? - . A. No problem B. You can refund it in 7 days and exchange it in one year C. Don’t mention it 2. - It is a little expensive for me. Can I have a discount? - . A. You must be kidding B. It is terrible C. The price has been reduced by 50%. It is a real bargain 3. - Would you like to go to attend the conference on global warming with me? - .but I should finish my homework first. A. It’s hard to say B. You’re welcome C. I’d love to 4. - What do you think of your new computer? - . A. I think so. B. How about you? C. It is really fantastic. 5. - I have just got an iPod as my birthday gift. - . A. Good luck B. That’s right C. Congratulations 二、词汇与语法（ 共计 30 分，每小题 2 分） 6-20 题：阅读下面的句子，从 A、B、C 三个选项中选出一个能填入空白处的最佳选顶。 6. You don’t have to start over from · A. scratch B. head C. again 7. Our company specializes architectural design. A. off B. in C. on 8. How will the war on his generation? A. effect B. affect C. impact 9. The store will for cash payment. A. discourse B. discourage C. discount 10. I didn’t know what to do, but then an idea suddenly to me. A. appeared B. happened C. occurred 11. Hold on a minute, please. I’11 put you . A. off B. on C. through 12. There are of ways to make your house look greener. A. many B. plenty C. lot 13. If you keep your house green, you avoid the