2017届高考英语一轮复习课件：选修7 unit3 Under the sea（新人教版）_高考复习指南

2017届高考英语一轮复习课件：选修7 unit3 Under the sea（新人教版）

　　4．aware adj. 意识到的；知道的归纳拓展 be/become aware of sth./that ... 意识到…… make sb. aware of sth./that ... 提醒某人注意…… environmental awareness 环境意识 raise/increase the public awareness of ... 提高公众的……意识注意：aware后跟名词性从句时，从句前不能用of，但在what从句前必须用of。

　　④Not until now ________ ________ ________ ________ the urgency to raise the public awareness of protecting the ocean. 直到现在我才认识到提高人们保护海洋意识的急迫性。 ⑤At that moment I was ________(aware) that his error would lead to such big losses. 那时，我不知道他的过错会造成这么大的损失。答案：①became aware of　②Being aware of　③awareness　④am I aware of　⑤unaware

　　5．flee (fled, fled) vt. 逃离　vi. 逃避；逃跑归纳拓展 flee from 逃离某地 flee to/into 逃到 flee away 逃跑 flee one's duty/responsibility 逃避责任

　　辨析　escape/flee 词汇含义 escape 表示“逃脱，脱离，避开”，主要指从被监禁或危险、困境中逃脱，强调结果，有时用于引申意义 flee 表示“逃走”，着重逃的动作，强调逃走的急促或仓促表示“逃跑”时，escape是不及物动词，而flee则可用作及物或不及物动词。escape表示“避免”之意时后面跟动名词作宾语答案：①escape　②fled

　　6．scare vt. 恐吓　vi. 受惊吓归纳拓展 be scared to death吓得要死 be scared of(＝be afraid of)害怕 be scared to do(＝be afraid to do)不敢做某事 scare ... away 把……吓跑答案：①was scared to death　②scared away　③to see　④of help sb. out 帮助某人摆脱困境或危难归纳拓展 help sb. with sth. 帮助某人某事 help sb. (to) do sth. 帮助某人做某事 help oneself to sth. 随便吃…… can't help doing sth. 情不自禁/禁不住做某事 can't help but do sth. 情不自禁/禁不住做某事