3．Do you feel it is warmer than before this winter？
"There have been twenty-one （33）Cwinters in China since 1986，"said scientists．"（34）Athe past 100years，as the world temperature has been up by 0.74℃，the temperature in North China has climbed 1.4℃in only 50years．"
China needs to take action to cut carbon dioxide emission （排放） because it's the main reason for world warming．The good news is that China has seen the importance of going（35）B．China sets the goal of cutting energy use by 20% and pollution emission by 10% in the 11th（36）APlan．
Here is some advice for you．
Wearing used clothes such as your brother's，sister's or dad's old T-shirts means you（37）C energy．And don't forget（38）Bthe lights when you leave a room and turn off your television and computer when they are not（39）A!Besides，taking a bus saves a lot of oil every year．Also open a window and try not to use the air conditioner（空调）．If necessary，set the temperature（40）Bin summer and lower in winter to save energy．It isn't good to use paper cups，bags or boxes in our daily life．
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"There have been twenty-one （33）Cwinters in China since 1986，"said scientists．"（34）Athe past 100years，as the world temperature has been up by 0.74℃，the temperature in North China has climbed 1.4℃in only 50years．"
China needs to take action to cut carbon dioxide emission （排放） because it's the main reason for world warming．The good news is that China has seen the importance of going（35）B．China sets the goal of cutting energy use by 20% and pollution emission by 10% in the 11th（36）APlan．
Here is some advice for you．
Wearing used clothes such as your brother's，sister's or dad's old T-shirts means you（37）C energy．And don't forget（38）Bthe lights when you leave a room and turn off your television and computer when they are not（39）A!Besides，taking a bus saves a lot of oil every year．Also open a window and try not to use the air conditioner（空调）．If necessary，set the temperature（40）Bin summer and lower in winter to save energy．It isn't good to use paper cups，bags or boxes in our daily life．
| 33．A．cool | B．hot | C．warm |
| 34．A．During | B．Since | C．After |
| 35．A．yellow | B．green | C．black |
| 36．A．Five-Year | B．Five-Years | C．five year |
| 37．A．use | B．find | C．save |
| 38．A．to turn on | B．to turn off | C．to turn up |
| 39．A．in use | B．on business | C．at present |
| 40．A．stronger | B．higher | C．taller |