下述描述生活中物质化学性质的是____ .
A、瓷碗易碎 B、轮胎能炸 C、饭菜会馊 D____ .
The chief engineer of the high-speed railway ________ Shanghai to Beijing always devotes most of his time ________ his work.
“世上疮痍,诗中圣哲;民间疾苦,笔底波澜。”这幅对联称颂的是( )