爆炸材料必须由井下爆炸材料库负责人或经过专门训练的专人护送。跟车人员、护送人员和装卸人员应坐在()内,严禁其他人员乘车。
A、头车
B、中间车辆
C、尾车
参考答案:C
句型转换。
1. She put the camera on the bed just now. (改为被动语态)
The camera _____ _____ on the bed by her just now.
2. My uncle sent me a Christmas present last year. (改为被动语态)
A Christmas present _____ _____ to me by my uncle last year.
3. Students can't take magazines out of the reading-room. (改为被动语态)
Magazines can't _____ _____ out of the reading-room by students.
4. The glass was broken by Tom. (对画线部分提问)
_____ _____ the glass _____ _____?
这两辆车发生追尾的主要原因是什么?()
A.后车未与前车保持安全距离
B.后车超车时距离前车太近
C.前车采取制动过急
D.前车采取制动时没看后视镜