This bike is neither ____ nor ____.

　　A.does she B.doesnt she C. is it D.isnt it

　　A.turn it on B.turn it down C.turn it up D.turn it off

　　A.with； in B.with； with C. has； with D.in； in

　　A. Fire can make house warm and cook food.

　　B. People should use fire carefully.

　　C. Fire can burn a house and kill pepole.

　　D. We know when man began to make a fire. 

　　A. harmful B. useful C. bright D. both A and B

　　A. they always burn a house B. they can make things catch fire

　　C. they can burn a piece of paper D. they kill many animals every year

　　A. 破灭 B. 炸毁 C. 毁坏 D. 粉碎

The text tellls us________ .

　　A. how to find fire B. where people make fire C. how to make a fire D. why fire is dangerous

　　A. it B. that C.one D.this

　　A. weather B.temperature C. season D.climate