1、Lesson4 Sea Stories-vocabulary 学案 重点短语 【短语 1】watch out 【课文原句】They have a huge mouth and can eat fish as big as themselves. Watch out! (Page12) 【名师点拨】watch out 在这里的意思是“当心；注意“, 相当于 look out 或 be careful。如: Youll catch cold if you dont watch out. 【知识拓展】watch out 后接名词时,要与 for 连用,意为“小心“。如: In public plac
2、es everyone is required to watch out for thieves. Im always watching out for mistakes that I may have missed before. 【短语 2】all at once 【课文原句】All at once, the sky was covered with dark clouds and in less than a minute we were in a terrible storm. (Page14) 【名师点拨】all at once 是副词短语,相当于 suddenly,意为 “突然“。
3、如: All at once she lost her temper, which made all the people present dumbfounded(目瞪口呆). 【知识拓展】a ll of a sudden 与 all at onc e 都是副词短语,都有“ 突然“ 的意思,但 all of a sudden 更强调“ 出乎意料地“,即 unexpectedly。如: All of a sudden, th e tire burst; we had to stop on half way, consid ering what to do. all at once 还有“同时,一
4、下子,马上“ 的意思。如: On hearing the news of his illness, he drove to see him all at once. 【短语 3】pick up 【课文原句】In the end, a boat picked me up. (Page15) 【名师点拨】pick 常作及物动词,意思是“选择；挑选；采；摘“ 。在本句中 p ick sb. up 是一 个固定词 组,意思是“( 从海里或危险处)营救,搭救“ 。如: She picked th e best cake for herself. We picked up as many people from the burning ship as we could. 【知识拓展】 1. pick up 还有其他意思:1) (开车) 接人；2) 让人乘车；搭载；3) 学得:通过学习或经历获得 (知识)。 2. pick 还能与其他介词搭配构成固定短语, 如:pick on sb. / sth. (跟某人)找别扭；故意刁难挑剔； pick sb. / sth. out 精心挑选；辨认出； pick sth. over 用心挑选；筛选。
