英语七年级下册Section A教学ppt课件

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这是一份英语七年级下册Section A教学ppt课件，文件包含Unit3SectionA2a-2e课件pptx、Unit3SectionA2awav、Unit3SectionA2bwav等3份课件配套教学资源，其中PPT共22页，欢迎下载使用。

sixtyseventyeightyninetyhundredminute
num.六十 num.七十num.八十num.九十num.一百n.分钟
far kilmeter (=kilmetre) newevery by
adv. & adj.远；远的n.千米；公里adj.新的；刚出现的adj.每一；每个prep.(表示方式) 乘(交通工具)
Learn these numbers and find ut the rules:
ne tw three fur five six seven eight nine ten eleven 11 twelve 12
13 thirteen14 furteen15 fifteen16 sixteen17 seventeen18 eighteen19 nineteen
20 twenty30 thirty40 frty50 fifty60 sixty70 seventy80 eighty90 ninety
21 twenty-ne …31 thirty-ne …41 frty-ne …51 fifty-ne …61 sixty-ne …71 seventy-ne …81 eighty-ne …91 ninety-ne …
1: 1—12: (记住每个单词)
2: 13—19: -teen (thir-, fif-, eigh-)
3: 20—90: -ty (twen-, thir-, fr-, fif-, eigh-)
4: 21—99:
5: 100—900:
_______ hundred
6: 101—999:
_______ hundred and
（1）表示具体的“几百”时，用“基数词+hundred”，且hundred为单数形式，如：five hundred 五百。（2）表示不确定的数字时，常用hundreds f，表示 “数以百计的；成百上千的”。
hundred 作数词，意为“一百”。具体用法为：
拓展：与hundred有类似用法的词还有thusand (千)，millin (百万)，billin (十亿)。
数字出现时，同学们应快速读出。
Listen and repeat. Then write the crrect number next t the wrd.
84 105 99 200 72 61
sixty-ne ____ ninety-nine _____seventy-tw ____ ne hundred and five ____eighty-fur ____ tw hundred _____
take the subway
take the bus
take the car
-Hw d yu get t schl every day?-I ________ t schl.
ride the bike
take the plane
take the ship
take the train
-Hw d yu get t Hngkng?-I ______t Hngkng.
fifty-eight
ne hundred and three
Twenty-five minutes.
Ten kilmeters(公里).
nine hundred
B: It takes him twenty minutes.
A: Hw des Tm get t schl?
B: He walks t schl.
A: Hw lng des it take?
Listen and cmplete the chart.
takes the bus
Listen again. Check yur answaers in 2b.
Student A is Jane and Student B is Tm. Use the infrmatin in 2b t make cnversatins.
A: Hw d yu get t schl? B: I …A: Hw lng des it take …? B: It takes…A: Hw far is it frm … t …? B: It’s abut…
Hw d yu get t schl?
I take the subway.
Hw lng des it take?
It takes abut 15 minutes.
Hw far is it frm yur hme t schl?
It’s abut 45 kilmeters.
Fr example:
回答 hw far 引导的问句有以下几种形式：(1) It’s +路程+frm A t B.(2) A is+路程+frm B.(3) It is+时间名词的所有格+walk/ride/drive.(4) It’s+时间+by+交通工具.
Lisa: Hey, Jane. Is this yur new bike?Jane: Yes. I ride it t schl every day. Hw d yu get t schl?Lisa: I usually take the bus.Jane: Hw far is it frm yur hme t schl?Lisa: I'm nt sure …abut 10 kilmeters? The bus ride takes abut 20 minutes.
Rle-play the cnversatin.
辨析：every day 与 everyday
副词短语，“每天”，表示事情发生的频率，在句中作状语。
形容词，“每天的；日常的”，在句中作定语。
be sure t d sth. 意为“一定要，务必（做某事）”。
be sure f 意为“有把握……；确信……”。
make/be sure + that 从句，意为“确信……”，当从句主语与主句主语一致时，可与“be sure t d sth. ”替换。
Hw lng des it take yu t get t schl?Jane: Abut 15 minutes by bike. It's gd exercise. Lisa: Yeah. Well, have a gd day at schl.Jane: Yu, t.