使用携带型火炉或喷灯时,火焰与带电部分的安全距离:电压在10kV以上者,应大于()。
A.1m
B.1.5m
C.2m
D.3m
参考答案:D
Take great pains to read _____ you can or you won’t have a better understanding of
life.
A.as much as
B.books as much as
C.books as many as
D.as many books as