棉、麻、草、苇纤维等堆垛内含有一定的空气,火灾中,火势会从外层通过缝隙燃烧到内部形成()状态,不易将火灾彻底扑灭。
A、阴燃
B、自燃
C、复燃
D、轰燃
参考答案:A
Small ______ you are called early bird --- you always catch the first train to work!
A.wonder
B.case
C.surprise
D.shock
什么是模块化编程?