当我们觉得自己与他人相比欠佳时,不应该气馁,应找出自己的不足。[ ]
√
在特别潮湿的场所、导电良好的地面、锅炉或金属容器内工作的照明电源电压不得大于( )。
A.48V
B.36V
C.24V
D.12V
–-You should be _______ careful when you take the chemistry exam.
---I agree. In this way, I will make _______ mistakes.
A.more; less
B.more; more
C.less; fewer
D.more; fewer