2015年12月1日，国际货币基金组织（IMF）宣布，              将纳入SDR（特别提款权）货币篮子，从2016年10月1日正式生效，成为可以自由使用的货币。（     ）

   There are many ways for us to reduce (减少) waste. For example, we can reuse paper and plastic bags. We can also recycle newspapers, glass, and cans (易拉罐)  1new things. Here are some useful 2 to reduce waste.
   Write on both sides of paper
   Many people write on only one side of their paper. Why not try using both sides? Some students only use half the pages of their 3 before getting new ones. Try to use up all the paper. People often give cards on birthdays or festivals. How about trying to 4 e-cards (电子贺卡) instead?
   Don’t throw away your old batteries (电池)
   Maybe you do not know that old batteries make the soil 5. This is because they have poisonous (有毒的) parts in 6. So, don’t throw away batteries. 7 them together. Try to use rechargeable (充电的) batteries for your games and CD players.
Give 8 all your unwanted clothes
   There are many poor families in China. You may ask your mother to keep your unwanted clothes. Then you can pass them on to those poor children. You will feel happy that you are 9 someone else. Also, you can see  10 your friends or relatives (亲戚) want them before throwing them away.