广州英语初二下unit4词句精讲精练
Unit 4 Cartoons and comic stripsUnit 4 Cartoons and comic strips 词汇精讲词汇精讲 1. warning1. warning warning 作名词,意为“警告;警示”。例如: There was a note of warning in what he said. 他的话带有一种警告的口气。 A gale warning has just been put out. 刚才发出了大风警报。 There was no advance warning before the earthquake hit. 地震之前没有任何预兆。 【拓展】 warn 作及物动词,意为“警告;告诫;提醒”。其用法如下: (1)warn.of…意为“提醒……注意……”,后直接跟名词或代词。 例如: I warned them of danger.我提醒他们有危险。 (2)warn sb. against…意为“警告某人别……”或“警告某人提防……”。 例如: I warned you against buying that old car. 我警告过你别买那辆旧车。 He warned me against walking alone at night. 他告诫我夜间不要单独行走。 (3)warn 后跟复合结构,即 warn sb. to/not to do sth.。 例如: The teacher warned her not to be late again. 老师警告她不要再迟到了。 He warned Bill to keep away from the fire. 他警告比尔离火远点。 2. record2. record (1)record 作名词,意为“唱片;纪录”。例如: He made his first record in 2000. 他在 2000 年制作了他的第一张唱片。 He did very well, but failed to break the record. 他做得很出色,但未破纪录。 (2)record 作动词,意为“记录; (将声音等)录下”。例如: I recorded the score in a notebook. 我在笔记本上记下了分数。 The broadcast was recorded, not live. 这次广播是事先录音的,不是现场直播。 3. affect3. affect 与与 effecteffect affect 与 effect 均可表示“影响”。其区别是:前者是动词(及物) ,主要指一时的影响,着重影响的 动作, 可指一般意义的影响, 也可指不良影响; 后者是名词(可数或不可数), 两者的关系大致为: affect =have an effect on。例如: To affect a policy is to have an effect on it. 影响一项政策就是对该政策具有一种影响。 The news did not affect her at all. =The news had no effect on her at all. 这条消息对她没有一点影响。 4. appear4. appear (1)appear 表示“出现,露面;到达”时,是不及物动词,因此既不能后接宾语,也不能用于被动语 态。例如: A rainbow appeared in the sky after the rain. 雨后天空出现彩虹。 (2)表示“似乎,好像”,是连系动词,其后可接形容词、名词、不定式等作表语。例如: He appears (to be) quite rich. 他似乎相当富有。 He appears to be living in the area. 他似乎就住在这一带。 It appears a true story. 它似乎是一个真实的故事。 (3)在 it appears 后可接 that 从句或 as if 从句。例如: It appears that he forgot to sign the letter. 他似乎忘记在信上署名了。 It appears that he has been waiting for a long time. = He appears to have been waiting for a long time. 看来他已经等了很久了 It appears as if she’s lost interest in her job. 看来她对自己的工作已失去兴趣。 5. match5. match (1)match 是可数名词,意为“比赛;火柴”,其复数形式为 matches。例如: Who won the football match? 谁赢了那场足球赛? Here is a box of matches for lighting the fire. 这里有一盒火柴可用来点火。 (2)match 作动词,意为“和……较量;相配;和……相匹配”。例如: Match the words with the pictures. 把词语和图片搭配起来。 Match yourself against experts in the competition. 在这次的比赛中和专家较量一下吧。 6. separately6. separately separately 作副词,意为“单独地;分别地”。例如: He said he would see each of us separately. 他说他将分别约见我们每一个人。 Please be sure that you wrap each item separately. 请确保独立地包装每件物品。 【拓展】 (1)separate 作形容词,意为“单独的;分开的”。例如: We don’t have a separate dining room—the living area is all one. 我们没有单独的饭厅——活动空间都在一处。 We offer separate classes for students to learn Chinese in different ways. 我们提供分班授课,让不同的学生以不同的方式学习中文。 (2)separate 作动词,意为“分开;隔开”。例如: We’d better separate the good ones from the bad ones. 我们最好把好的和坏的分开。 Even numerous mountains and rivers cannot separate our friendship. 纵然是万水千山也隔不断我们的情谊。 7. score7. score (1)score 作动词,意为“得分;获胜”。例如: Hughes scored two goals before half-time. 休斯在上半场进了两个球. The army continued to score successes in the south. 军队