Unit 2 Section Ⅰ Welcome to the unit & Reading 【学习目标】 1.通过阅读课文内容,了解空间站的情况,了解人类对太空的探索历程,感受人类对客观世界不断探索的精神和情感。(思维品质,文化意识) 2.通过分析课文结构,了解文本大意,培养略读和查读等阅读能力。(语言能力,学习能力) 3.通过分析课文细节,培养分析长难句的能力。(学习能力) 【自主预习】 Step 1 单词认读 Ⅰ.释义匹配 ( )1.gravity ( )2.frequency ( )3.bother ( )4.permanent ( )5.ceiling ( )6.evaluate ( )7.constant ( )8.exposure ( )9.visible ( )10.merely ( )11.luxury ( )12.mission A.vt.使烦恼;花费时间精力(做某事) n.麻烦;困难 B.n.任务;使命 C.n.重力;地球引力;严重性;严肃 D.adj.看得见的;明显的 E.n.不常有的乐趣(或享受);奢侈品 F.n.发生率;出现率;频繁;频率 G.vt.评估;估计;评价 H.adv.仅仅;只不过 I.adj.永久的;永恒的 J.adj.固定的;不变的;连续发生的;重复的 K.n.面临;遭受;揭露;报道 L.n.天花板;上限 答案 1~6 CFAILG 7~12 JKDHEB Ⅱ.默写单词 1. n.缺乏;不存在;缺席 2. vt.占用;使用;居住;侵占;使忙于 3. n.维护;保养;维持;保持 4. vt.严格要求(自己);惩罚 n.训练;纪律 5. adj.至关重要的;关键性的 6. n.居所;住处;庇护 vt.保护;掩蔽 vi.躲避 7. adv.极其;极端地;令人难以置信地 8. vt.计算;核算;预测 9. adj.必不可少的;对……极重要的 10. n.原因;动机;目的 答案 1.absence 2.occupy 3.maintenance 4.discipline 5.crucial 6.shelter 7.incredibly 8.calculate 9.vital 10.motive Step 2 短语记诵 1. 与……不同;区别于…… 2. 显而易见的 3. 在这种情况下;既然如此 4. 鉴于;考虑到 5.cast new light on 6.exposure to 7.discipline oneself 8.lay the foundation for 答案 1.differ from 2. plain to see 3.in the circumstances 4.in view of 5.使进一步了解…… 6.曝光于;显露于 7.严格要求(自己) 8.为……打下基础 【合作探究】 语篇研读 Step 1 先导入,拓展背景知识 Ⅰ.Write the Chinese names of the eight planets that circle the sun according to the following picture. 1.Mercury 2.Venus 3.Earth 4.Mars 5.Jupiter 6.Saturn 7.Uranus 8.Neptune 答案 1.水星 2.金星 3.地球 4.火星 5.木星 6.土星 7.天王星 8.海王星 Ⅱ.Use your knowledge to choose the correct answers. 1.How old is the earth A.About 3.5 billion years. B.About 4.5 billion years. C.About 5.5 billion years. D.About 6.5 billion years. 2. of the earth surface is covered by water. A.20% B.30% C.50% D.70% 3.How many planets are there in the Solar System A.6. B.7. C.8. D.9. 4.How long does the rotation(自转) of the earth take A.12 hours. B.24 hours. C.A month. D.365 days. 5.Which continent is the smallest A.Africa. B.North America. C.South America. D.Oceania. 6.On what day is the Earth day celebrated A.April 22. B.May 4. C.August 21. D.November 11. 7.Which ocean is the largest A.The Pacific Ocean. B.The Arctic Ocean. C.The Indian Ocean. D.The Atlan ... ...
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