Unit 9 When was it in
【学习目标】：复习运用一般过去时的被动语态。
学习掌握要求四会的单词：crispy, salty, sour, by mistake, sprinkle3、学习有关一些食物味道的词汇，并就某种味道想出相对应的食物名称。
4、进行听力训练，归纳信息，了解薯片的发明历史。
【课前热身】
预习检测：翻译下列短语1.薯条
2.偶然地、意外地
3.错误地
4.足够咸
5.一个叫吉姆的厨师
6. 撒在。。。的上面
7.最后、终于
8.甜的
9.咸的
10.酸的
11脆的，易碎的
【知识点拨】by mistake 错误地
do sth. by mistake
He took a bus by mistake.
I took your bag by mistake.
Potato chips were invented by mistake.by accident 偶然地I met an old friend by accident at the bus stop.
3.sprinkle…on…在。。。。上撒。。。。。。
Sprinkle……..with………把。。。。。撒在。。。。。上
Eg
They are sprinkling
sand
on the road.
They are sprinkling the road with sand.【达标检测】Complete the passage without the books.
Did you know that potato chips were invented by ________? Potato chips were ________ by a chef ________ George Crum. They were invented _____ 1853. George Crum cooked them for a long time _______ they _________. And he ________ lots of salt ________ them so they were really _________.
二、单项选择
1.Chinese is used ______ the first language in China.
A.
for
B. as
C.
by
D. to
2.You can do it ______ this way.
A. on
B. in
C. by
D.for
3. Edison ______ the telephone in 1876.
A. find
B. found
C. invented
D. was invented
4. Many friends of ______have some inventions. A. my B. mine C I 5. What are those strange things used______, do you know?
A. to B. in C. for 6. Can you tell me _______the train was invented by?
A. what B. who C. where 7. My bedroom ______ every morning. My mom _______ it.
A. cleans/ is cleaning B. is cleaned/ cleans C. cleaned/ cleaning 8. This kind of shoes is made by a worker ______ Johnson.
A. name B. names C. named 9. Chinese is now _______ by many people in different places.
A. learning B. learnt C. learns 10. ________ his brother got the first winner. They were very excited.
A. In the end B. By the end C. At first 11. He said sorry to me that he took my school clothes ______ mistake.
A. with B. by C. on 12. I think the telephone was one of the greatest _______.
A. invented B. inventors C. inventions 13. I _______ to leave at once, or I’ll be late for the meeting.
A. tell B. be told C. am told
三、词形填空
1. They thought the potatoes ________(be not) thin enough.
2. It happened three_________ (thousand) years ago.
3. The big bowl was used for____ (keep) the wine warm.
4. I’ve learned a lot about old Chinese ________ (invent) today.
5. They ______ ________ (invent) hundreds of years ago.
6. A chef ________ (call) George Crum invented potato chips.
7. I think it would be better _______(have) a MP4.
【课后作业】【教师反思】