16V240ZJB型柴油机活塞采用（）和喷射联合冷却方式。
A、内油路
B、水路
C、外油路
D、油环
参考答案：A
The fact that she was foreign made _____ difficult for her to get a job in that country. [ ]
A. so
B. much
C. that
D. it
功能小梁是指
A．小梁前2/3B．小梁后2/3C．小梁后1/3D．全部小梁网E．小梁前1/3
