(课件网) Period 5 UNIT 3 SEA EXPLORATION 主题语境 人与自然 ——— 人类生存、社会发展与环境的关系 课时练案 课文整体教学(Using Language) √ 1．How does the first author support his topic A．By listing facts. B．By giving examples. C．By doing comparisons. D．By analysing problems. √ 2．What is the meaning of “negative cycle” in the third paragraph of Text 1 A．An incomplete link. B．One trouble leads to another that worsens the first. C．A damaged item. D．An idea that is not positive. √ 3．What is the opinion of the second author A．The benefits of exploring oceans outweigh the risks. B．There are more disadvantages of sea exploration. C．There are no problems with sea exploration. D．People have successfully managed the balance between risks and economic needs. √ 4．What makes it necessary for us to explore sea A．The development of technology. B．The rising number of population. C．The valuable minerals under the sea. D．The damage caused by earthquakes. 1．cover v．盖，覆盖；包括，包含；足以支付，够付；行走(一段路程) ①(教材原句)To truly understand our planet，we must explore the oceans which cover most of it. _____ ②The survey covers all aspects of the business. _____ ③Your parents will have to cover your tuition fees. _____ ④They walked for a long time and covered a good deal of ground. _____ 盖，覆盖 包括，包含 足以支付，够付 行走(一段路程) 2．address vt.写(收信人)姓名地址；设法解决n.住址 ①(教材原句)For example，scientific research ships can help address important issues such as climate change. _____ ②The letter was correctly addressed，but delivered to the wrong house. _____ ③I'll give you my address and phone number. _____ vt.设法解决 vt.写(收信人)姓名地址 n.住址 1．(学会断句) To truly understand our planet，we must explore the oceans/which cover most of it. [分析] 本句是一个主从复合句。不定式短语To truly understand our planet作_____，which引导_____从句，修饰the oceans。 [翻译] _____ 目的状语 限制性定语 要真正了解我们的星球，我们必须探索那些覆盖地球大部分面积的海洋。 2．(学会断句)We need to understand/what is happening to our planet/so that we can take action. [分析] 本句是一个主从复合句。what引导____从句，作understand的宾语；so that引导_____从句。 [翻译] _____ 宾语 目的状语 我们需要了解我们的星球正在发生什么，这样我们才能采取行动。 1．(应用文佳句) Sea exploration has caused many problems and will continue to cause more. 海洋勘探已经引发了很多问题，并将继续引发更多问题。 2．(续写佳句) Although this was banned in 1982，some countries are still “murdering” these intelligent creatures without mercy. 尽管这种行为在1982年被禁止，但一些国家仍在无情地“谋杀”这些智慧生物。 1．meanwhile adv.与此同时，(比较两方面)对比之下 (1)for the meanwhile 暂时 (2)meanwhile＝in the meanwhile＝in the meantime＝at the same time 在此期间，与此同时 (3)meanwhile 作为副词时，可以与but连用，意为“(虽然……)但是同时又……”，可以强调前后相反的两种对比的表述；和and 连用时， ... ...
