每天早上五点半，老陈吹响三声“嘟嘟嘟”的哨声，就唤醒了村民，也振动了树上的宿鸟，村民门扛着筑路工具纷纷来到工地，劈岩的劈岩，抬石块的抬石块，各自主动地把昨天未完成的工作继续干下去。
B-Time I-Time I-Time I-Time I-Time I-Time I-Time O B-Person I-Person O O O O O O O O O O B-Thing O O O O O O B-Person B-Thing O O O O O B-Thing O O B-Thing I-Thing O B-Person I-Person I-Person O O O O B-Thing I-Thing O O O O B-Location I-Location O O B-Thing O O B-Thing O O B-Thing I-Thing O B-Thing I-Thing I-Thing O O O O O O O B-Time I-Time O O O O O O O O O O O O