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2.The earth is our home and we must take good care of it. Tha..[41%]

The earth is our home and we must take good care of it. That is to say we must 1the land, air and water clean. But man 2a lot of pollution on earth since he first made fire, washed his clothes in the river and threw rubbish on the ground. Many years ago,

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7.阅读理解。 The earth is our home; we must take care of it...[34%]

阅读理解。 The earth is our home; we must take care of it. This means keeping the land, air and water clean.Pollution is a dirty word. To pollute means to make things unfit or unclean to use. Pollution comes inmany ways. We see it, smell it, taste it and drink

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8.完型填空。 The earth is our home. We must take care of it...[34%]

完型填空。 The earth is our home. We must take care of it. Life today is easier that it was1 years ago, but it has brought some new problems. One of the biggest problems is pollution. We can see it, drink it and even hear it. Man has polluted the2 . The more

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10.The earth is our home. We must take care of it. Life today..[34%]

The earth is our home. We must take care of it. Life today is easier than it wasyears ago, but it has brought some new problems. One of the biggest problems is pollution(污染). We can see it, smell it, drink it and evenit. Man has polluted the . The more pe

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