某服务器软件系统对可用性（Availability）、性能（Performance）

I can’t remember when I started collecting litter. But it was when I got tired of seeing litter nearby and ___1___ that no one else was going to pick it up.
I live near a forest in Ohio, America. I can walk there ___2___ three minutes. I used to love going there to play with my dog. But one day there was ___3___ much litter there that I became very unhappy. I decided I had to clean up the forest. I wanted to feel happy ___4___ there again.
I __5___ my first trip to clean the forest that afternoon. I took a big black rubbish bag with me. Ten minutes after starting to pick up litter, my bag was ___6__! It had cans, bottles, broken glasses and newspapers in it. From then on, I went to the forest four times a year to pick up litter. I’m often there for three hours. It makes me feel ___7___ to do something for the environment.
After each trip, I look at all the litter that I’ve found. If ___8___ of it is recyclable(可回收的) , I keep it. I can’t understand ___9___ people drop litter. But I will keep picking it up until they stop dropping it. I know I am only doing a small bit to ___10___ the earth, but I still think it is important.

小题1:	A．believed B．realized C．insisted D．understood

小题2:	A．after B．for C．with D．in

小题3:	A．such B．very C．so D．too

小题4:	A．going B．living C．working D．sleeping

小题5:	A．went B．made C．got D．tried

小题6:	A．new B．empty C．dirty D．full

小题7:	A．tired B．sad C．great D．interesting

小题8:	A．any B．some C．many D．much

小题9:	A．that B．why C．when D．how

小题10:

A．make B．mend C．support D．help