内容正文:
Unit 13 Section B(1a~1e)
一、用括号内所给单词的适当形式填空。
1.Don't __________ (throw) rubbish everywhere.
2.People shouldn't use paper __________ (napkin) in order to protect the environment.
3.Tom has stopped ____________ (smoke) since last year.
4.It's hard for Tom __________ (ride) a bike to work.
5.My grandma often takes a basket with her when ____________ (shop).
二、阅读短文,根据短文内容判断所给句子正(T)误(F)。
Trees are useful to man in three important ways.
The first important way is that they provide man with wood and other products. Trees provide not only man with food, but also many animals with food.
The second important way is that trees give us shade (阴凉). On a hot summer day, people are eager (渴望) to have a rest under the tree after they have a long walk. You can imagine how important the shade of a tree is to man and animals.
The third important way is that trees help to prevent droughts and floods (干旱和洪水). However, in many parts of the world, man hasn't realized the third way. They cut trees down in large numbers. In the end, they find that they have lost the best friends they had.
1.Trees provide food for man and animals.
2.In hot summer, trees give us shade to cool down.
3.Cutting down trees in large numbers can't cause droughts and floods.
4.The underlined word “they” refers to man and animals.
5.Protecting forests is protecting ourselves.
三、按要求完成下列句子。
1.Mudanjiang used to be a small town.(改为否定句)
Mudanjiang _____ ____ _____ _____ to be a small town.
2.We will solve the problem in two weeks.(改为被动语态)
The problem ____ ___ _____ by us in two weeks.
3.I heard a girl sing in the next room.(改为被动语态)
A girl ____ _____ __ _____ in the next room.
4.Jim joined the mountain climbing club two years ago.(改为同义句)
Jim ____ ____ ____ the mountain climbing club for two years.
四、根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,有两项多余。
Plastic brings us convenience, and pollution as well. 1.______It's in our food and drinks, in the clothes we wear and even in the air we breathe.
Some very tiny pieces of plastic are called