内蒙古乌拉特中旗一中高一英语导学案:Unit 4 Astronomy the science of the stars Period 2(新人教版必修 3)【学习目标】1. 找出文章中的相关短语2. 找出文章中重难点句子,并将其翻译3. 以小组为代表展示自己的学习成果。【课前预习】和你的同桌讨论以下短语的意思1. circle around______________2. according to…________________ 3. a widely accepted theory. in time_______________ 5. cool down _______________6. be fundamental to…_______________________ 7. a chain action__________________8. make it possible for…to do…_____________________ 9. give birth to…__________________10. . prevent… from ____________________【课内探究】S tep 1: 学课文查短语1.太阳系______________ 2.及时,终于_______________ 3.下蛋_____________________ 4.产生 ____________________5.轮到某人接着________________ 6.冷却________________ 7.一团尘埃 ____________________ 8.与。。不同_____________________ 9.生命的开始____________________ 10.允许某人干某事_________________ 11.在什么的表面________________ 12.考虑_____________________ 13.。。。。的一部分_____________________14.绕。。。运转_____________ 15。对。。。感兴趣_________________ 16. 将。。。配对_____________________ 17.注意_____________________ 18.赞同,同意 ___________________19.正相反,与此相反 ____________ 20.阻止,制止_______________________ 21.朝四面八方__________________ 22.从。。。中逃脱 ______________ 23.依靠,取决于____________ 24. 由于____________ 25.连锁反应 ____________ 26.对。。 有害_______________ 27.环绕围绕___________________ 28.灭绝__________________ 29.挡住光线 ______________ 30。解释 ____________ 31.熟悉,掌握,理解______________32.首次,第一次_______________ 33.水蒸气____________________ 34.在。。。和。。之间_____________ 35 显然 ____________ 36.是。。的基础__________ 37.成百万的_______________ 38.在陆地上__________ 39.恐龙时代___________ 40.在过去_____________ Step 2: Read each paragraph carefully, then find out the difficult sente...