飞机座舱使用供氧时应注意?() 。
A.座舱温度不超过30℃;
B.不要用明火点烟,但可用点烟器;
C.以油脂为基本原料的化妆品和100%的纯氧接触可能引起烧伤
参考答案:C
I’d rather read than watch television;the programs seem all the time.
A.to get worse
B.to have got worse
C.that it is getting worse
D.to be getting worse
“礼乐不兴,则刑罚不中”的主张出自()。
A.周公
B.孟子
C.孔子
D.荀子