《How much are these socks?》PPT課件15
1.基數(shù)詞
基數(shù)詞的寫法：
(1)1～12，拼寫和讀音沒有什么相似之處，無規(guī)律可言，應逐一進行記憶。
(2)13～19，表示“十幾”，在個位數(shù)后加后綴teen，并且重音在后。注意(13)thirteen，(15)fifteen分別由three和five轉(zhuǎn)化而來；(18)eighteen是eight中加een而來。
(3)twenty～ninety整十以ty結(jié)尾。
(4)幾十幾要用連字符。
eg：24 twentyfour
(5)三位數(shù)的詞需注意百位和十位之間加and。eg：
148 one hundred and fortyeight
2.基數(shù)詞的巧記方法：
英語數(shù)詞不難記，
找出規(guī)律就容易。
零至十二樣各異，
一個一個單獨記，
后加teen變十幾，
thirteen，fifteen看仔細。
eight原本就有t，eighteen只缺een。
二十至九十后加ty，twenty不同重點記，forty去掉字母u，thirty，fifty更出奇，十位數(shù)后個位數(shù)，表示數(shù)值幾十幾，按序排列不費力，連字符號莫丟棄，巧學巧記加努力，hundred是你好成績。
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一、寫出下列數(shù)詞的左鄰右舍。
1．___ eleven ________
2．________ twenty__________
3．__________ fifteen________
4．____________ thirty __________
5．___________ thirtynine_____
二、用適當?shù)幕鶖?shù)詞完成下面的等式。
6．six＋__________＝twentynine
7．thirtyone－fourteen＝________
8．________＋thirteen＝twentyfive
9．three×six＝_________
10．thirty÷two＝________
三、用括號內(nèi)所給詞的適當形式填空。
11．How much ____(be) the Tshirts?
12．She needs 120 _______(dollar) for a new bike.
13．Do you like _________(sweater)?
14．Are those ______(sock) under the chair yours?
15．He ____(have) a long shirt.
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五、根據(jù)漢語完成句子，每空一詞。
21．那些藍襪子多少錢？
_____ ______ are those blue socks?
22．短襪三美元一雙。
______ are three ______ for one pair.
23．我想要一條藍褲子。
I want a pair of _____ ________．
24．這些紅鞋30美元一雙。
These ____ _____ are $30 each.
25．我要買這條黑色的短褲。
I'll ____ ____ ______ ________．
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六、閱讀理解。
Mr.Green and his daughter Mary are in a big shop(商店)．Mr.Green likes Mary and wants to buy a new dress(連衣裙) for her.Mary doesn't like the new dress.She likes something to eat(吃的東西)．So her father buys 1 kilo of apples for her，too.Mary also wants to buy some picture books and colored pencils.There are many things and many people in the shop.They are men and women，old(年老的) and young(年輕的)．They all want to buy something there.The people in the shop are very friendly(友好的)．
26．Mary and ____ are in the shop.
A．Mrs.Green B．his father
C．her father D．her mother
27．Mary's father wants to buy ____ for her.
A．a(chǎn) new dress B．new shoes
C．pictures D．colored pencils
28．Mary likes to buy ____．
A．a(chǎn) new dress
B．colored books
C．something to drink
D．a(chǎn)pples，picture books and colored pencils
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