UnitUnit 1212 LifeLife isis fullfull ofof thethe unexpectedunexpected【学习目标】1、熟记本节单词，达到灵活运用。2、熟记重点单词的用法，并能组词、造句。【预习合作探究】1、unexpected adj. 出乎意料的，始料不及的 expected adj. 预期要发生的，期待中的（用作定语）expect v. 期待 expect sb to do sth 期待某人做某事2、by the time 在以前. 常用于过去完成时当中3、Life is full of the unexpected. 生活充满了意外。(标题）【解析 1】be full of = be filled with 充满，装满【 解析 2】 unexpected adj. 出乎意料的；始料不及的the unexpected “意外的事情”“出乎意料的事”。the adj.表示一类人或事物。英语中，有些形容词与定冠词 the 连用，表示一类人或事物，在句子中起名词的作用。the homeless (无家可归者) the disabled(残疾人)The old should be taken good care of by the government.老年人应该被政府好好照顾It will not be unexpected if Tom comes late again, because he is always like this.如果汤姆又迟到了，一点也不意外，因为他一向如此。4、By the time I got up, my brother _already _ in the shower. (1b)我起床时，我弟弟已经进入浴室了。By the time I got outside, the bus had already left. 当我出来时，公共汽车已经离开了。 (1b)【解析】 by the time 在以前，指从过去的某一点到从句所示的时间为止，常引导表示过去的时间状语从句，主句常用过去完成时，即 had+动词过去分词。【拓展】by now 表示“到现在为止”，通常与现在完成时连用。By now I have collected 200 dolls. 到现在为止，我已收集了二百个布娃娃。5、When I got to school, I realized I _ my backpack at home.(1b)当我到学校时我意识到我把书包忘在家里了。【 解析】leave sth. +地点“把某物忘在某处”forget 意为“遗忘某物”，指忘记一件具体的东西，但不能有具体的地点。I left my book on the desk. 我把书忘在了桌 子上。I forgot my umbrella yesterday .我昨天忘了带伞。【辨析】leave 与 forget 的用法:(1) leave “ 遗留，落下，忘记带”，指把某物或某人留在某个地方，后常跟地点状语；（2）forget “ 忘记”，指忘记某件事情，后常跟 to do (忘了要去做)或 doing (忘了做过)。 【拓展】leave left left v 离开(1)leave sth +地点 把某物遗忘在某地(2)leave for +地点 离开去某地(3) leave a message 留言 ask for leave 请假 leave school (中学) 毕业(4)leave one by oneself=leave sb alone 把某人单独留下【注意】英语中表示“把某物遗忘在某处”常用 leave + 地点 而不是 forget+地点 Unluckily, I left my book at home 不幸的是，我把书忘在家里了。【延伸】动词 leave 的第三人称单数形式为 leaves; 而名词 leaf 的复数也是 leaves.【形成性检测】1. Our life is _chances, but there are also a lot of challenges.(充满) 2. The box is_(装满) books.3. On hearing the news, her heart was _ gratitude.A. filled of B. full with C. filled with D. fill with4. If you read a lot, your life will be full _ pleasure.A. by B. of C. for D. With5.Look! Here comes Cindy! She is always full of .So she is. because she takes a lot of exercise every day.A. knowledge B. courage C. change D. energy6. The girl is greatly interested in the song. The lyrics of it _ her thoughts and feelings.A. express B. discuss C. expect D. imagine7. By the time I _(walk) into the classroom, the teacher _(start) _(teach) already.8. By the time I got outside , the bus _already _(leave).9._ the time I heard the noise ,it had already gone.A. By B. When C. At10.By the time of last term, we _ all the lessons.A. finished B. have finished C. had finished D. will finish11. I overslept this morning. By the time I got to the train station, the train _ (leave).12. By the time I locked the door, I realized I _my keys at home.A. had repaired B. had changed C. had forgotten D. had left13. I didnt realize I _(leave) the key at home until I got to my car. So I had to go back.14. I overslept this morning. By the time I got to the train station, the train _ (leave).