[高一英语必修4课件3-1.ppt

Ⅰ.词汇过关 1．________________n．玩笑v.开玩笑 2．________________n．幽默→________________adj.幽默的 3．________________n．内容 4．________________n．喜剧 答案：1.joke　2.humour; edy Ⅱ.短语自查 break into________________ 答案：强行进入；闯入；突然……起来 短语精讲 　break into 1)强行进入；闯入 His house was broken into last week. 他的房屋上星期曾有窃贼潜入。 2)突然……起来；突然开始……，常接名词 break into song/laughter/cheers/a run 突然唱/大笑/欢呼/奔跑起来 【知识拓展】 break构成的短语常用的还有： 1)break away from...从……逃脱，挣脱；摆脱，革除(习惯、思想方式或信仰等)；脱离(团体和组织等) ①The prisoner broke away from the two policemen who were holding him. 囚犯从两个警察手中挣脱了。 ②break away from old habits 戒掉旧习惯 ③break away from the Conservative Party 脱离保守党 2)break down 崩溃，失败，瓦解；(机器等)出毛病，坏掉；将(门，墙等)破坏，捣毁；感情失控；把……分解(发生化学变化的过程) ①The peace talks broke down and without any agreement reached. 和谈失败了，没有达成任何协议。 ②The car broke down. 汽车坏了。 ③The police broke down the door. 警察把门砸开了。 ④She broke down when she heard the news, but quickly recovered. 她听到那消息，就哭了起来，但很快就恢复过来了。 ⑤Sugar is broken down in the stomach. 糖在胃中被分解。 3)break in闯入；打断，插嘴，不接宾语 ①Burglars had broken in while we were away on holiday. 我们外出度假时，小偷闯入屋内行窃。 ②Dont break in while were talking. 我们谈话时你别插嘴。 4)break off 中断，暂停 Lets break off for half an hour and have some tea. 让我们小憩半小时喝点茶。 5)break out(指火灾、战争、疾病、暴乱等)突然发生，爆发 A fire broke out during the night. 夜间突然发生了火灾。 6)break through 突破；克服 break through the enemys defences 突破敌人的防线 7)break up 破碎，碎裂，瓦解；(关系等)结束；解散，驱散；打碎，拆散 ①The cup dropped onto the ground and broke up. 杯子掉到地上打碎了。 ②Their marriage is breaking up. 他们的婚姻濒临破裂。 ③The police broke up the crowd. 警察驱散了人群。 【牛刀小试】 用适当的介词或副词填空 (1)The southern states wanted to break______ ________the Union in American Civil War. (2)Our plan has broken________. (3)He returned home only to find his house broken____. (4)World War Ⅱ broke________in 1939. (5)Scientists hope to break____in the research of cancer. 答案：(1)away from　(2)down　(3)into　(4)out (5)through 单项填空 (6)(2006·辽宁)The computer system______suddenly while he was searching for information on the Internet. A．broke down　　　　　 B．broke out C．broke up D．br