由于装配式构件在工厂加工预制，现场装配，加快了施工速度，故适用于大规模住宅建设等。( )
参考答案：对
Elephants would _____ if men were allowed to shoot as many as they wished. [ ]
A. die down
B. die out
C. die from
D. die of
内燃机一般由哪几个主要部分组成？
