2.阅读理解对话并在文中勾画出生词和短语，完成预习自测题目。
3.将预习中不能解决的问题标示出来，并填写在后面“我的疑惑”处。
4. 15分钟独立完成。
II.教材助读 回答问题 1．Why was he late for school _________________________________ 2．What had his father done by the time he woke up ________________________________ 3．What had happened by the time he got to the bus stop ___________________________________________- 4．Did he come to school late \ 二轮阅读找难点一短语 1．be late ________ 2．go off____________ 3．wake up __________ 4．wait for___________ 5．run off_________ 6．on time ___________- 7．give sb．a ride__________ 二句子 1．我迅速洗完澡，吃了早饭，然后跑去车站。
I __________a quick shower，had some breakfast，and then ___________to the bus stop． 2．不幸的是，当我到那儿的时候，公共汽车已经离开了。
_____________ ，__________ the time I got there，the bus ______already______- ． 3．幸运的是，我的朋友托尼和他爸爸开车经过，捎了我一段。
Luckily，my friend Tony and his dad came by in his dad’s car and they ______ me _____ _______. 我的疑惑 请将预习中不能解决的问题写下来，供课堂解决。
_______________________________________________________________________ 【探究案】 I．质疑探究质疑解疑、合作探究 探究点一 学习建议 通过对教材3a部分文章结构，主旨大意等的把握，加深对课文的理解。
1．What’S the main idea of the passage _______________________________________ 探究点二 单词和短语探究 1．go off发出响声 1My alarm clock goes off at 530 in the morning．我的闹钟早上530响。
2The gun went off by accident．枪走火了。
3Suddenly the lights went off．突然电灯熄灭了。
4Food will go off on such hot days．这么热的天气，食物会变质的。
思考由以上例句可以看出，go off的含义还有____ _____ _____ 2．wake up醒来 11 woke up at 1100 last night and couldn’t fall asleep any more． 昨天晚上我1100醒了，再也没睡着。
2By the time I entered the room，he had woken up．我进入房间时，他已经醒了。
3Don’t forget to wake me up tomorrow morning．别忘了明天早上叫醒我。
思考wake up意为“醒来”，可作为不及物动词短语；
也可以用作及物动词短语构成 _________ 意为“叫醒某人”；
wake的过去式及过去分词分别是______ 和_________ 3．run off，run away，run after辨析 1The child ran off as soon as he saw his father．那孩子一看到他爸爸就跑掉了。
2By the time I arrived there．the thief had run away．我到那儿时，小偷已经跑掉了。
3They are running after a monkey．他们在追一只猴子。
思考从例句中可以看出run off的意思是 ____________或_________；
_________逃跑；
________追赶，其中after是______词，需要有宾语sb．／sth． 4．on time与in time辨析 1Please come here on time．请准时到达这儿。
2 The doctors got there just in time to save the injured man．医生们刚好及时到了那里救了那个受伤的人。
3 We were in time for the last train．我们及时赶上了最后一班火车。
思考_______意为 按时、 准时 ，与规定的时间一样；
______意为“及时”．后可跟不定 式，构成短语_____________________及时做某事，还可跟for名词，构成_____________． 5．give sb．a ride让某人搭便车 1The kind man gave me a ride in his car．那个好心人用车捎了我一段路。
2 Would you like to pick me upI think we are going the same direction． 你愿不愿意捎着我，我想我们一路。
思考give sb．a ride的同义短语是__________________捎某人一段路。
6．break down，break off辨析 1We were late for class yesterday because the bus broke down． 昨天我们上课迟到了因为车出了故障。
2They had broken off their relationship before I appeared．我出现之前他们就已经断了关系。
即时练习 1．闹钟响时我已经醒了。
I．I ______ already ________ up when the alarm clock _____ _______. 2．The boy ________ ________ _________ 把我叫醒and told me the story． 3．Hearing the news，the woman _______as fast as she could． A．ran into B．ran after C．ran out of D。ran off 4.I’m never late for class．I’m always ______ A．in time B．on time C．for time D．at time 5．My English teacher _________ last night when I came home． A．gives me a ride B．gave me a ride C．had given me a ride D．picked up me 6．The machine _________ because of 24 hours’work． A．broken off B．broke down C．broke off D．broken down 探究点三 重难点句子探究 1．I’ve never been late for school．but yesterday I came very close． 我上学从来没有迟到过，但是昨天我差点迟到了。
思考这是一个but连接的 ___________句 ，have been late是__________时态。
2．Unfortunately，by the time l got there。the bus had already left．不幸的是，当我到那儿时，公共汽车已经离开。
思考．by the time意为 ____________ ，从句用___________时，主句用__________时。
3．I only just made it to my class．我正好赶上上课时间。
思考make it是英语中的惯用语，意思随语境的变化而变化。
1We think she will make it．我们相信她会做到成功。
2Let’s make it 800 p。m．咱们晚上8点见面吧句1中make it意为___________ ；
句2中make it表示约定时间。