人教版九年級英語上冊《When was it invented?》SectionA PPT課件(第1課時)，共17頁。
Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4](1=first, 4=last).
A:I think the TV was invented before the car.
B:Well, I think the TV was invented after the car.
Student B, cover the dates. Student A, ask Student B
when the things in the picture in 1b were invented.
Then change roles and practice again.
A:When was the telephone invented?
B:I think it was invented in 1876.
Language Points
1.invent的用法
invent v. 發明,invention n. 發明,inventor n. 發明者。
e.g.:Edison was a great inventor.He invented a lot of things.
【辨析】 invent,discover,find與find out
①invent 意為“發明，創造”，主要通過想象、研究、勞動創造出前所未有的東西，尤指科技上的發明創造。
②discover 指發現或偶然發現原來就存在但一直未被認識的事物。
③find 強調尋找的結果，即“找到”，通常指偶然發現。
④find out 指經過觀察、調查，把某事、某物查出來，搞清楚、弄明白。
2. Is it really such a great invention?
such 形容詞，意為“這樣的，如此的”，常用在句中作定語，
其結構為“such (a/an) +adj.+n.”。
e.g.:There's no such thing as a free lunch.
Why do you buy such expensive clothes?
3.Think about how often it's used in our daily lives.
daily 形容詞，意為“每日的，日常的”，用作lives的定語。
e.g.:What is your daily work?
daily還可以作名詞，意為“日報”。
People's Daily 《人民日報》 China Daily《中國日報》
Exercise
一、單項選擇。
( )1.Flash light can be used _____ clearly in the dark.
A.for seeing B.to seeing
C.looking D.for looking at
( )2.—When was the car invented?
—It _____ in 1895.
A.invented B.is invented C.was invented
( )3.The computer was invented _____ lives.
A.as our day B.in our day
C.as our everyday D.in our daily
( )4.Computer is _____ a great invention that it's _____ the world a lot.
A.so;changing B.such;changed
C.such ;change D.so;changed
二、用所給詞的適當形式填空。
1.The teacher's office _______ (clean) by us yesterday.
2.The ______ (invent) has a lot of _________(invent).
3.MP3 is used for _________ (play) music.
4.—Can you help me?
—With ________(please).
... ... ...
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