发动机一般由哪几大机构和系统组成？
参考答案：
曲柄连杆机构，配气机构，供给系统，冷却系统，润滑系统，点火系统起动系统
— Why would some workers in Foxcon die _____ continue working in the factory?
— Psychologists say they are under too much pressure. [ ]
A. better than
B. by accident
C. instead of
D. rather than
（）就是将一个贮罐内液化石油气倒入另一个贮罐。
