一、根据课文内容填空,完成信息表
| | The ocean | Wetlands | Forests |
| Area | around 71% of the earth's ______2______ | about 6% of the earth's land area | ______6______ nearly ______7______ of the earth's land area |
| What can they help | produce about 70% of the earth's oxygen | • home to many lives• prevent floods, because they can ______4______ water | • ______8______ carbon dioxide and produce oxygen• make the air clean |
| What do they ______1______ like | the "______3______" of the earth | the "______5______" of the earth | the "______9______" of the earth |
| | | | These ecosystems keep the earth ______10______ and make our world a better place. |

1.
2.
3.
4.
5.
6.
7.
8.
9.
10.

() 1.—Does the price ______ all the costs?
—Yes, it does. You don't need to pay extra money.
A.decide
B.express
C.offer
D.include

() 2.Staying in the mountains to ______ fresh air is a great way to relax.
A.take in
B.take out
C.put in
D.put out

() 3.The music ______ the radio sounds lively and can help get rid ______ the sad feeling at once.
A.in; to
B.on; of
C.in; of
D.on; with

() 4.—Trees can help to make the city greener.
—That's true. ______, they can make the city cooler in hot summer.

A.However
B.Moreover
C.Overall
D.Instead

() 5.—Can you lend your English dictionary to my sister? She ______ it in one hour.
—Sorry, I'm using it. Can she wait a moment?

A.return
B.returns
C.will return
D.returned