在胶囊材料中，二氧化钛可作 A．成型材料 B．增塑剂 C．遮光剂 D．防腐剂 E．增

How did we help to save our earth this week? Let me tell you.
First, my family tried to save electrcity (电). We never left the lights  36  when leaving the room. We  37  the TV when nobody was watching it. Mum only used cold water in the washing machine.
Second, we started recycling (回收) this week. We tried to write on  38  of our paper, no just on one side. We also divided our rubbish into  39  bags for bottles, paper and food. Mum kept the plastic shopping bags from the supermarket to use them again as rubbish bags.
Third, my family started to save  40 .We stopped  41  long baths and had short showers (淋浴)  42 . We washed toilet with used water. Mum and dad used less water to do the washing. My sister and I didn’t leave the tap (龙头) running when we brushed our teeth.
At last, mum and dad began to save gas (汽油). Mum used to  43  us to school, but now my sister and I started riding our bikes to school. It’s hard work  44  good exercise!                                                       
This week dad and a few of the people in his company also started to go to work in one car and share the  45 .  
These are great ways to help protect our environment.

小题1:	A．out B．on C．off D．behind

小题2:	A．turn up B．turn on C．turn down D．turn off

小题3:	A．any side B．all sides C．neither side D．both sides

小题4:	A．large B．small C．different D．the same

小题5:	A．electricity B．food C．water D．paper

小题6:	A．to use B．making C．to have D．taking

小题7:	A．again B．instead C．already D．too

小题8:	A．drive B．order C．show D．carry

小题9:	A．or B．but C．for D．and

小题10:

A．pay B．value C．cost D．price