当发现家里煤气泄露时,你会立即采取的办法是( )
A.打开排气扇
B.立即打119报警
C.关闭煤气阀门,打开门窗
D.向屋里各处洒水,使煤气被水吸收
答案:C
单句改错。
1. He is still afraid of fly in an airplane.
A B C D
( )
2. Jill could play piano when she was a child.
3.He use to play the chess.
4. Do you use to go to work on foot?
5. He went out with the room light in last night.
纺织分离