选修 7 Unit 3 Under the sea复习目标闯关要点名师讲解【重点单词】用心 爱心 专心3. abandon vt. 遗弃;抛弃;丢弃;放弃;中止;(与 oneself 连用)使放纵,使听任 n. 放任;放纵用心 爱心 专心abandon one’s hope/plan/idea 放弃希望/计划/主意abandon oneself to … 沉湎于……,纵情于……abandon doing sth. 放弃做某事abandoned adj. 无约束的;无度的;放荡的with abandon 放纵地;放任地4. reflect vt. 映射,反射;vi.&vt. 思考【即境活用】The likely reactions of the market would need to be ____ before we acted.A. considered on B. based on C. relied on D. reflected on【解析】选 D。句意:在我们采取行动前要仔细考虑一下市场上可能出现的反应。Reflect on/upon 意为“细想,考虑,沉思”,符合句意。若选 A 项,则应去掉 on。5. scare v.t 恐吓,受惊吓,感到害怕, n.惊恐,惊慌He scares easily.他动不动就害怕用心 爱心 专心[归纳拓展] scared adj scared of sb/sth,, scared of doing sth/to do sthscary adj 引起恐慌的scare sb away/off 把某人吓跑scare sb into/out of sth(doing sth)吓得某人做/不敢做某事be scared to do sth. 害怕做某事be scared to death 吓死了beat to death 把……打死 starve to death 饿死 thirst to death 渴死freeze to death 冻死 sentence to death 判处死刑【即境活用】She was scare____the yard because she was scared___bythe big dog___at the gate.A.to go into; to be bitten; lay B. of going into; to bite; laying]C. of going into; to bite; laying D. to go into; of being bitten; lying【解析】选 D。 考查 scared 的用法以及非谓语动词。be scared to do sth.害怕做某事;be scared of doing 担心某事;dog 与 lie(躺)之间为主动关系,且表示正在进行,因此应用现在分词【重点短语】1. help out 帮助……(摆脱困难或危难);协助;使……脱离困境[短语归纳] help sb with sth 帮助某人做某事with the help of 在...的帮助下, 借助help oneself to 请随便自己动手(夹菜吃、用……等)can't help (to)do sth. 不能帮忙做某事can't help doing sth 禁不...