2)It does us much harm.
3)It is harmfulto us.
例如:
However,everything dividesinto two.Television can also be harmful to us.It can do harm to our health and make us lazy if we spend too much time watching televi- sion.
4.表示重要、必要、困难、方便、可能
1)It is important(necessary,difficult,convenient, possible)for sb.to do sth.
2)We think it necessary to do sth.
3)It plays an important role in our life.
例如:
Computers are now being used everywhere,whether in the government,in schools or in business.Soon, computers will be found in every home,too.We have good reason to say that computers are playing an increasingly important role in our life and we have stepped into the Computer Age.
牛津上海版五下《Unit 1 Colours around us》ppt课件1
牛津上海版四上《Unit 3 Weather》word教案
牛津上海版六上《Unit 8 The food we eat》ppt课件2
牛津上海版五上《Unit 2 Friends》ppt课件
牛津上海版六上《Unit 5 Open Day》ppt课件
牛津上海版五下《Unit 1 Use your eyes!》ppt课件1
牛津上海版六下《Unit 4 Staying healthy》ppt课件
牛津上海版六上《Unit 9 Picnics are fun》ppt课件4
牛津上海版六上《Unit 1 Family and relatives》ppt课件1
牛津上海版六上《Unit 7 Rules round us》ppt课件1
牛津上海版六上《Unit 3 Spnding a day out together》ppt课件
牛津上海版六上《Unit 11 Let’s make a pizza》ppt课件1
牛津上海版五下《Unit 1 Use your eyes!》ppt课件
牛津上海版六下《Unit 7 Travelling in Garden》ppt课件1
牛津上海版六下《Unit 9 Sea water and rain water》ppt课件3
牛津上海版六下《Unit 6 Seasonal changes》ppt课件
牛津上海版六上《Unit 7 Rules round us》ppt课件
牛津上海版五下《Unit 1 Use your eyes!》ppt课件2
牛津上海版六上《Unit 11 Let’s make a pizza》ppt课件2
牛津上海版六下《Unit 10 Forests and land》ppt课件1
牛津上海版六上《Unit 9 Picnics are fun》ppt课件1
牛津上海版六下《Unit 9 Sea water and rain water》ppt课件1
牛津上海版六下《Unit 1 Great cities in Asia》ppt课件1
牛津上海版六下《Unit 4 Staying healthy》ppt课件1
牛津上海版六下《Unit 9 Sea water and rain water》ppt课件
牛津上海版六上《Unit 9 Picnics are fun》ppt课件3
牛津上海版六下《Unit 4 Staying healthy》ppt课件2
牛津上海版六上《Unit 1 Family and relatives》ppt课件
牛津上海版五上《Unit 1 Around the city》ppt课件
牛津上海版六下《Unit 10 Forests and land》ppt课件
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