Unit 2 Travelling教學案2

【課堂助學】
1. 預習成果展示
2. check the homework.
3. use ppt to learn new words,
4.  要點點撥
1) harm n. 傷害，危害  harmful adj. 有害的  harmless adj. 無害的
  e.g. reading in poor light is harmful for your eyes.
  英語中，有些形容詞是由名詞+后綴-ful構(gòu)成的，如：use---useful, help---helpful, success---successful, peace---peaceful, beauty---beautiful, cheer---cheerful
2）useless  adj. 沒用的，無益的  useful  adj. 有用的
  e.g. this old computer isn’t useless at all now.  英語中，后綴-less表示“沒有……”, 有些形容詞是由名詞+后綴-less構(gòu)成的，如：harm---harmless, use---useless, hope---hopeless, home---homeless.
useless前如有不定冠詞，只能用a，因為字母u的第一個因素是輔音。如：this is a useless dictionary. you’d better not buy it.
5.  read all the words together.

【課堂檢測】
填寫下列表格。
名詞 形容詞 反義詞
beauty  
care  
colour  
harm  
length  
health  
noise  

【課后作業(yè)】
一、 詞匯。
a.根據(jù)句意用所給單詞的適當形式填空。
1. the fireworks at night were _________. (colour)
2. the dictionary is ________ in our english studies.(use)
3. daniel is a _________ boy. he plans everything well.(thought)
4. disneyland is a __________ place to visit.(wonder)
5. can you tell me the _________ (mean) of this word?
b. 根據(jù)句意及中英文提示完成單詞。
1. mr. liu is an ________(經(jīng)驗) teacher. he has ways to make his class lively.
2. many people in harbin like_________(滑雪) in winter.
3. the fans _________(鼓掌)and screamed when the famous singer appeared .
4. overwork will do _________(傷害) to your health.
5. it _________（似乎）that she will leave hong kong with her parents.
6. they played so __________（愉快）that they forgot the time.
7. there are fifty members in the club, ___________（包括）nineteen girls and
  thirty-one boys.
8. lee is kind and       __ (help).
9. it’s     _  to have a dictionary. (useless)
10.she danced so ____________ (wonderful) that everyone screamed.
11.the line of people outside was __________ (end). it seemed to be ________(hope) to try to get inside.
12. bad luck! the _________ (care) doctor pulled out one of my healthy teeth.
c. 用后綴-ful、 -less填空。
one day the traffic was heavy on the city roads. the cars were end_____. it seemed to be hope____ to walk across the street. it was use_____ for us to wait and see. so we decided to walk over the footbridge. my daughter was cheer____ in her colour____ dress. she always thought that life was meaning_____ and wonder______ . but to her surprise, she found that a 3-year-old boy was begging on the footbridge. he looked so help______ .why doesn’t he go back home? she asked. i didn’t know how to answer it.