买10千克大米与1千克菜油要付22元8角，买30千克大米与2千克菜油要付61元6角。

I can’t remember when I started collecting litter. But it was when I got tired of (1)_____litter nearby and realized that(2)_____ was going to pick it up.
I live near a (3)_____ in Enshi, Hubei Province. I can walk there in three (4)_____! I (5)______ love going there to play with my dog. But one day there was so much litter there that I became very unhappy. I decided I had to clean up the forest. I wanted to (6)______ happy going there again.
I made my (7)_____ trip to clean the forest that afternoon. I took a big black rubbish bag with me. Ten minutes (8)_____ starting to pick up litter, my bag was full! It had cans, bottles, broken glass and newspapers in it. From then on, I went to the forest four times a year to pick up the litter. I often (9) ______ there for three hours. It makes me feel 10)_____ to do something for the environment.
After each trip , I(11) _____all the litter that I’ve found. If (12)______ of it is recyclable(可回收的), I keep it. I can’t (13)_____ why people drop litter. But I will keep picking it (14)_____ they stop dropping it. I know I am only doing a small bit to help(15) ______, but I still think it is important.

小题1:	A．see B．seeing C．look D．looking

小题2:	A．no one else B．I C．everyone D．anyone

小题3:	A．school B．forest C．river D．park

小题4:	A．months B．hours C．days D．minutes

小题5:	A．would B．do C．am used to D．used to

小题6:	A．look B．feel C．make D．see

小题7:	A．first B．third C．fourth D．fifth

小题8:	A．after B．later C．before D．of

小题9:	A．play B．go C．work D．sit

小题10:

A．worried B．sad C．disappointed D．great

小题11:

A．bury B．burn C．sell D．look at

小题12:

A．many B．little C．any D．much

小题13:

A．wonder B．ask C．hope D．understand

小题14:

A．until B．as C．after D．when

小题15:

A．myself B．the earth C．other D．the litter