Unit 13　We're trying to save the earth!　Section B (2a-2e) 习题课件(共7张PPT)

(共8张PPT)
Unit 13　We're trying to save the earth!
第五课时　Section B (2a 2e)
一、根据句意及汉语提示完成下列句子。每空一词。
1．Remember to shut those _______(大门) when you leave.
2．The old man set up a factory to recycle the waste _______(金属).
3．He put all the glass ________(瓶子) in his room into the dustbin.
4．The _______(作品) of the famous writer are popular all over the world.
5．We visited one of the ____________(负责人) of the computer company last week.
gates
metal
bottles
works
presidents
二、根据句意，用括号中所给单词的适当形式填空。
6．Anhui is _________(know) for Mount Huang.
7．The river has been __________(pollute) by factories.It's very dirty now.
8．We all admire him because of his ____________(create).
9．After the accident，they all realized the ______________(important) of safety.
10．The old man sells old things ________(raise) money for the homeless children.
known
polluted
creativity
importance
to raise
三、根据汉语意思完成下列句子。每空一词。
11．春天使万物恢复生机。
Spring ________everything _________life.
12．我把那把椅子扔了，因为它彻底坏了。
I _____________the chair because it was completely broken.
13．这个箱子不能颠倒着放。
The box can't be put ___________．
14．那座旧楼已经被拆除了。
The old building has already been _____________．
brings
back to
threw away
upside down
pulled down
15．我认为你应该好好利用这本字典。
I think you should _____the dictionary _____________．
16．上个月他们用木材建造了一栋房子。
They ______a house ________wood last month.
17．他喜欢他妈妈为他做的衣服。它们是棉质的。
He loves the clothes his mother _________him.They are __________cotton.
put
to good use
built
out of
made for
made of
四、用方框中所给单词的适当形式填空，使短文完整、通顺。每词限用一次。
law, bottle, industry, action, plastic，science, much, pour, possible, harm
With the development of modern 18. ,_more and more waste is being produced. Rivers, lakes, seas and even oceans all over the world are little by little becoming polluted by waste and 19. chemicals (化学物品). What's 20. ,_oil and other chemicals can kill fish and make water unsafe to drink. Water pollution is threatening (威胁) human beings.
industry
harmful
more
21．_____________ studies show that it is difficult or 22. for the water to become clean again. 23. have been made to reduce river pollution. We must do more to stop factories from 24. dirty water into the rivers. In addition, we should stop throwing rubbish into the rivers, such as 25. bags and empty 26. . In short, we must fight against any behavior that pollutes water. It's never too late if we take
27. right now.
Scientific
impossible
Laws
pouring
plastic
bottles
action