问答题

The bright student is a (mastery) of his time.

答案： master

你可能感兴趣的试题

单项选择题

Originally, Chinese people hung lanterns in front of their doors to drive away evil spirits. A. 对 B. 错

单项选择题

在莫尔法测定氯离子的实验中，如果溶液的pH太高，会导致铬酸根转变成重铬酸跟，影响滴定结果。
A、正确
B、错误