《M4 Unit 2 working the land》.ppt

48.C。细节理解题。根据第二段第一句The conventionally grown apple costs less and is a proven family favorite.可得知答案。 49.B。推理判断题。只有B选项是属于环保耕作方式，即用腐烂的植物作为肥料来促使植物生长。 50.A。细节理解题。根据倒数第一、二段的内容可得知答案。 * 2.expand vt. vi.使变大；伸展 派生：expansion n. 展开；膨胀；扩展 expand into 把……扩展为 expand on/upon 细说；阐述 运用：根据汉语意思完成句子。 ⑴ 金属受热膨胀。 Heat_______________________________. ⑵ 在写作课上，老师要求孩子们把一个句子扩展成一个故事。 The teacher asked the children _______________ ____________________ in the writing class. ⑶ 你能详细说一下你的观点吗？ Could you please___________________________? expand on your point of view expands metal to expand a sentence into a story focus on 集中(注意力、精力等)于 focus one’s attention on 集中注意力于…… focus one’s mind on 把心思集中到……上 3.focus n.焦点；中心点 vt.集中；聚焦 运用：根据汉语意思完成英文句子。 ⑴ 作为学生，我们应把心思主要集中在功课上。 As students,we should______________________ __________________________. ⑵ 今天，我们主要讨论无家可归者的问题。 Today we’re going to _____________________ of homeless people. ⑶ 把注意力集中在你的工作上。 ___________________________your work. Focus your attention on focus our minds mainly on our lessons focus on the problem 4.reduce v.减少;降低;缩小(尺寸,数量,价格等) reduce/fall/drop by ... 减少了……. reduce/fall/drop to ... 减少到…… 派生：reduction n.降低，减少 运用：用适当的介词填空。 ⑴ It’s said that prices of oil will be increased _____ more than 7yuan. ⑵ Because of the pressure from people，housing prices has reduced ____ 10% since the beginning of this year. by to 1.thanks to 幸亏；由于；因为(=because of) 运用：根据汉语意思完成句子。 ⑴ 由于校长的努力，我现在又能回学校上学了。 __________________________________，I can go back to school now. ⑵ 由于天气很糟糕，露天表演取消了。 _________________________，the open-air show was cancelled. Thanks to the bad weather Thanks to the headmaster’ efforts 运用：说出下列句中划线部分的意思。 ⑴ You must rid yourself of these old-fashioned ideas . ⑵ Paul finally rid himself of debt . ⑶ Bad habits are hard to get rid of . 2.rid ...of 摆脱；除去 摆脱这些陈腐观念的束缚 还清了债务 改掉 运用：根据汉语意思完成句子。 ⑴ 她从来不满足于现状。 She’s never ________________ the present situation. ⑵ 你对他的解释满意吗? Are you ________________________