1 LIFE IN THE FUTURE 知识点课件PPT英语课件下载.pptVIP

However+ adj/adv+主+谓 Whatever +名+主+谓 However great the difficulties are, we won’t give up. Whatever great difficulties we come across, we won’t give up. take charge of 负责，管理 free of charge 免费 charge sb with sth 指控，控告 警察指控他开车疏忽。 The policeman charged him with careless driving. charge the mobile phone 给手机充电 10. attach v.系上 attach…to… 把…系在…上；附属于;喜爱 attach importance to 重视 这家医院附属于那所大学 。 The hospital is attached to that university. 父母们很重视教育。 Parents attach much importance to education. 金太阳新课标资源网 * 人教版高中英语 系列优秀课件 1. risk n. 风险；冒险 vt. 冒…的危险 他冒着生命危险把孩子从火中救出。 He risked his life when he saved the child from the fire. risky adj.危险的 risk doing sth冒险做某事 他冒险从窗户上跳了下来。 He risked jumping off the window. at risk = in danger 2. certain adj. 确定的；无疑的；必然的 be certain of / about+doing / n. / pron. sure that  to do It now seems certain that there will be a meeting on Friday. It is not certain where he lived. make certain / sure that for certain = for sure 肯定地 It is certain that … 1. sure的主语多为“人”。certain的主语既 可是人，也可用It is certain that句型。 2. “be sure to do something”结构用于祈使句时，一般不用certain。 3. 作定语时，sure表示“可靠的，无疑的”。而certain修饰可数名词时，意为“某一，某些” 。 Certain students have failed in the test． The student made a sure answer． 3. rely on / upon 依赖；依靠；信赖 rely on sb to do sth rely on sb for sth depend It / That depends. 那得看情况 —“How long are you staying here?” —“I don’t know. It depends.” Most students rely on their parents for tuition. You may rely on him to help you. reliable adj. 值得信赖的 That depends on the weather. I’m depending on you to tell me everything. He is a person you can depend on. 4. alternative adj. 供选择的；二选一的 n. 抉择；选择余地 There are several alternative plans. We have no alternative in the matter. I had no alternative but to report him to the police. alternative energy 可替代能源 have no alternative / choice but to… plenty ofa lot of / lots of a large quantity of a large number ofa number ofa great / good m