精炼要求全程吹氩，且各个阶段吹氩强度不同。
参考答案：对
—It has been written into law that drink driving can be a crime(罪).
—I quite agree. We should better be careful not to _____________the law.
A．test
B．cheat
C．break
D．deal
某灯具厂计划生产17500盏调光台灯，前5天生产了6250盏，照这样的速度，剩下的还要几天就能完成？（用比例的知识解）（ ）
