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- 共用题干 Sharks Perform a Service for Earths WatersIt is hard to get people to think of sharks as anyth...
- 共用题干 Save Energy At HomeOn the average,Americans waste as much energy as two-thirds of the worlds p...
- 共用题干 Germs(细菌)on BanknotesPeople in different countries use different types of money:yuan in China,...
- 共用题干 Ecosystem1. The word “ecosystem” is short for ecological(生态的)system. An ecosystem is where liv...
- 共用题干 Germs(细菌)on BanknotesPeople in different countries use different types of money:yuan in China,...
- Forester stared at his car,trembling with rage.
- The boy is intelligent.
- From my standpoint,you know,this thing is just funny.
- 共用题干 U. S. Scientists Confirm Water on MarsNASA scientists said that Mars was covered once by vast ...
- The storm caused severe damage.