Unit 2 Section Ⅲ Grammar and usage 【学习目标】 1.通过对教材的理解,了解重要语言点的基本用法。(语言能力) 2.通过导学案的套用,以练促学,巩固内化所学语言点,并学以致用。(学习能力) 3.通过对教材的理解,掌握主语从句的用法。(语言能力) 【合作探究】 新知探究 核 心 单 词 知识点1 crucial adj.至关重要的;关键性的 *crucially adv.关键地;至关重要地 (P20)Hubble observations have played a crucial role in the discovery of the mysterious dark energy. 哈勃(太空望远镜)的观测在发现神秘的暗能量方面发挥了至关重要的作用。 知识拓展 be crucial to sb/sth 对……来说至关重要 be crucial in doing sth 对做某事至关重要 play a crucial role/part in sth 在……中起关键作用 at the crucial moment 在重要关头;在紧要关头;在关键时刻 a crucial factor/issue/decision 关键性的因素/问题/决定 经典佳句 The work of teachers is crucial in spreading knowledge. 教师的工作对知识的传播至关重要。 Parents play a crucial role in preparing their child for school. 父母对孩子做好上学的准备起着至关重要的作用。 融会应用 Ⅰ.单句填空 (1)This aid money is crucial the government's economic policies. (2)Weight is crucial diving because the aim is to cause the smallest splash possible. Ⅱ.单句写作 (3)Talent, hard work and persistence career success. 才能、勤奋和坚持不懈对事业成功都是至关重要的。 (4)Meanwhile, the teachers moulding the soul of the students. 与此同时,老师在塑造学生心灵方面起着至关重要的作用。 答案 (1)to (2)in (3)are all crucial to (4)are playing a crucial role in 知识点2 comprise vt.包括;包含;构成;组成 (P21)Run by the China National Space Administration, China's space agency, it comprises three stages: orbiting, landing and returning. 它由中国国家航天局(中国航空机构)管理,包括三个阶段:绕轨、着陆、返回。 知识拓展 be comprised of包括;包含;由……组成(或构成) consist of 由……组成 be made up of 由……组成;构成 经典佳句 The committee is comprised of representatives from both public and private sectors. 委员会由政府和私人部门的双方代表组成。 融会应用 Ⅰ.单句填空 (1)A week consists seven days. (2)Groups are (comprise) of two or more people. Ⅱ.一句多译 (3)救援队由8名士兵和2名医生组成。 →The rescue team eight soldiers and two doctors. →The rescue team eight soldiers and two doctors. →The rescue team eight soldiers and two doctors. 答案 (1)of (2)comprised (3)is comprised of;consists of; is made up of 语法探究 主 语 从 句 自主探究 阅读下列句子,并注意黑体部分在句中的用法。 1.However, what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat. 2.How this could be done was a challenging question at the time. 3.However, whether it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate. 4.Today, it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan's hybrid strains... 5.What impres ... ...
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