高二新人教版英语选修7课件 unit 4 sharing 第1课时 warming up

volunteer nC志愿者；vt. & vi.(常与to连用)自愿去做，主动请求去做 We want some volunteers to help paint the house. 我们想要几个自愿帮助漆房屋的人。 We all volunteered to paint the house. 我们都自愿漆这房子。,知识拓展 voluntary adj. 自愿的，志愿的 She made a voluntary decision to leave the job. 她主动辞去了这份工作。,知识运用 (1)Now let's recite the poem we learned last week. Any_？ Aprovides Boffers Csupplies Dvolunteers 答案：D 本题题意：现在背诵上周学的那首诗。谁自告奋勇？volunteer表示“自愿(做)”。,(2)If you wish to join our committee and_for the betterment of the whole school, please register in the Admissions Office. Aoffer Bpresent Cpropose Dvolunteer 答案：D 本题题意：如果您愿意加入协会，成为学校的志愿者，请到入学办公室报名。volunteer“自愿；自愿服务”，常常和介词for连用。,work as担当，充当(act as, serve as) She works as my cook on Sunday. 星期天她当我的厨师。 After graduation, she worked as a doctor. 毕业后她当了医生。 知识拓展 (1)work on 继续工作，从事 (2)work at 从事 (3)work out 计算出；制定；结果成为 (4)work hard at 努力学,词语辨析 work on与work at (1)work on“从事；创作；进行”，后面接名词、代词或v.­ing ，强调做具体的事；还可表示“继续工作；努力说服”，既可作及物动词短语，又可作不及物动词短语。 (2)work at “致力于；从事于；研究；学习”，后面接名词、代词或v.­ing，强调把时间和精力等用在某一方面的事情上，侧重于说明所从事的工作性质。,知识运用 完成句子 (1)I've _your share of the expenses at $5. (2)In order to pass the exam，they had to _English. (3)He is _a new novel. 答案：(1)worked out (2)work hard at (3)working on,