Module 3 Unit 3 课后作业练习题 2023-2024学年外研版英语八年级下册

八下（外研版）Module 3 Unit 3 课后作业练习题 Class___________ Number___________Name__________ 1、 单项选择 ( )1. ---Sally, I the picture already. ---Wow, truly beautiful! A. finish B. have finished C. was finishing ( )2. --- you about Naxi Ancient Music yet? ---Yes, I have. It is a part of Naxi culture. A. Has; heard B. Have; heard C. Did; hear D. Do;hear ( )3.---Daming, do you know which team won the football game? ---Team One. I have heard the news. A. yet B. never C. often D. just ( )4.—Have you told your mother what happened? —Yes, I have. I her half an hour ago. A. told B. am telling C. will tell D. have told ( )5.---Lisa, why are you still here? School is over. ---I my classroom yet. I need fifteen more minutes. A. don't clean B. didn't clean C. haven't cleaned D. won't clean 二、根据短文内容或用括号内所给词的适当形式填空 If you look at the night sky, you'll oftensee stars 1. (move) very quickly.Scientists do not completely understand whythese stars travel at such high speeds. Butmany believe the reason is that much of 2. universe is made of somethingcalled“dark matter”. 3. (group) ofstars called galaxies, such as the Milky Way,might even consist of 90 percent of the darkmatter. How much something 4. (weigh) depends on where it is. The sameobject(物体) doesn't weigh as much on Mars 5. it does on earth. So scientistsprefer 6. (talk) about the mass(质量) of something rather than how much itweighs, because mass does not change. Theycan work out the mass of galaxies bymeasuring(测量) the distance between them7. the speed they move. Recently,Dr Jorge Penarrubia and a team fromEdinburgh University 8. (discover)something interesting. The mass of the MilkyWay is only hal