8．There are many ways for us to reduce waste．For（36）B，we can reuse paper and plastic bags．We can also recycle newspapers，glass，and cans to make new things．Here are some useful ways to （37）C waste．
Write on （38）B sides of paper
Many people write on only one side of their paper．Why not stop wasting the other side？Some students only use half the pages of their （39）C before getting new ones．Try to use up all the paper．People often give cards on birthdays or festivals．How about trying to （40）A e-cards instead？
Don't throw away your old batteries．
Maybe you do not know that old batteries make the earth （41）D．This is because they have poisonous parts in them．So，don't throw away batteries．（42）B them together．Try to use rechargeable （充电的） batteries for your games and CD players．
Give off all your unwanted clothes
There are many poor families in China．You may ask your mother to （43）D your unwanted clothes．Then you can pass them on to those poor children．You will feel happy（44）Byou are helping someone else．you can（45）C understand what your friends or relatives （亲戚） want them before throwing them away．
| 36．A．reason | B．example | C．use | D．people |
| 37．A．produce | B．protect | C．reduce | D．pollute |
| 38．A．every | B．both | C．all | D．one |
| 39．A．exercises | B．schoolbags | C．notebooks | D．papers |
| 40．A．send | B．buy | C．receive | D．waste |
| 41．A．dry | B．rich | C．clean | D．dirty |
| 42．A．Throw | B．Keep | C．Try | D．Lose |
| 43．A．like | B．sell | C．throw | D．collect |
| 44 A．what | B．that | C．if | D．whether |
| 45．A．too | B．either | C．also | D．as well． |
