Unit6 Topic3 Bicycle riding is good exercise. SectionB 学案（无答案）

初二学年英语学科学案
课题：Unit6 Topic 3 Section B 课型：听说课 授课时间：学案编号：8-6-3B主编： 审核：
【学习目标】： Teaching aims and demands 教学目标
1. Learn some new words:
warn, motorcycle, trouble
2. Go on learning the usages of adverbial clauses of condition:
If we ride at night, we should have lights on the bicycle or wear light-colored clothes.
If we break the traffic rules, we will get a fine and even be in danger.
3. Talk about traffic rules, signs and warnings.
【重点难点】：if引导的条件状语从句
【学习流程】
预习：
预习新单词
I. Read and learn the new words（P126）根据音标熟读单词，同桌互考。
II.Know how to use key words .理解重点词的用法
1.fine n.词义_______ get a fine 意为____________________
He ______ a ￥40 _______ yesterday.他昨天被罚款40元。
v.意为______ fine sb. for doing sth. 意为_______________
他违章停车，警察对他处以50美元的罚款。
eg:The police him ＄50 for
（2）adj.词义：“健康的，优质的，令人满意的，天气晴朗的，高尚的，华贵的”
fine wine 译___________ a woman in fine clothes 译______________
warn v.词义_______ 过去式_________
(1) warn sb. to do 意为__________________________
他警告她要保持沉默Eg:______________________________
拓展：(2)warn sb. not to do = warn sb. against doing sth.
汉意_______________________
His father often ______ him ______ ________ ______ on the road.
=His father often _______ him _______ _______ on the road.他爸爸经常警告他，不要在马路上玩耍。
(3) warn sb.of/about/against sth.意为____________________
3. trouble n.意为____________
eg:你有什么困难？What’s your trouble
v. 意为__________
eg:是什么使你如此烦恼？______________________________
in trouble “处在麻烦中” be in trouble
have difficulty/ problems/trouble (in) doing 做某事有困难、问题、麻烦
Eg: The little boy has difficulty/ problems/trouble (in) talking with others .
任务二 翻译短语
（1）警告/提醒某人做某事_________________________________
（2）处以罚金__________________________________
（3）遵守交通规则_______________________________________
（4）违背交通规则________________________________________
（5）在路的左侧_______________________________________
（6）转错了弯 __________________________________
（7）受伤 _____________________________________
(8) 导致麻烦 ____________________
(9)横穿拥挤的公路 __________________
(10)不小心驾驶 ____________________
III．预习Section B 内容
1. Group Work to learn 1a 1. Listening :
1.一听：Listen to 1a and answer the question .
What should we do to keep us safe when we ride bicycles
2.二听：Listen to 1a again and find out the phrases in it .
3.Let students read 1a and find out their advice
4.Work alone :
Let the Ss to learn about the traffic rules and the traffic signs.
Finish 1b. The teacher explains the first two traffic signs, using adverbial clauses of condition.
5.Read 1a again and find out the sentences containing adverbial clauses of condition.(条件状语从句) Learn the usage of adverbial clauses of condition with “if”.Do 2 and 3.
知识点讲解 ：
1.If we break the traffic rules , we may get a fine and even be in danger .如果违反交通规则，我们会受到处罚，甚至会很危险。
(1）break v.打破，违反，破坏。 n.休息，停顿。
have a break = have a rest
(2) be in danger 处于危险中
（3）if 引导________ 状语从句，如果主句是一般将来时，从句应该是___________.
2.You must drive on the left-hand side of the road .你必须在马路左侧行驶。
on the left-hand side of the road = on the left of the road 在马路左侧
on the right-hand side of the road = on the right of the road 在马路右侧
注意：在左/右边，介词用on .
3.Cars often cost 100 times as much as bicycles.
译为：_____________________________________________________
比较级表示倍数的方法：
（1）…倍数+as+形容词/副词的原级+as… 表示“…是…的几倍”
_____________________________________________.这个花园是那个的十倍大
(2)…倍数+形容词/副词的比较级+than… 表示“…比…大（长，多…）几倍”
如：Our room is twice larger than theirs.我们的房间比他们的大两倍。
Our room is ______ _______ than theirs.= Our room is _____ ______ as _______ as theirs.我们的房间比他们的大两倍。（即：我们的房间是他们的三倍大。）
注意：倍数中一倍用once ，两倍用twice ，三倍级以上用there times ，four times 等。
1.Make similar conversations after the example in pair.
2.Fill in the blanks with the correct forms of the words in the box.
自我展示：I. 对话展示：背诵1a 对话。对组竞赛.
II．知识点展示：展示SectionB中所有知识点。全组展示
Homework:
Retell 1a and finish the exercises .