单项选择题

According to the passage you have just read, it seemed that Edward Stewart was ______.

A．a trained surgeon
B．an expert botanist
C．a skilled electrician
D．an experienced craftsman
<上一题 目录 下一题>
热门 试题

单项选择题
Stewart found certain plant juices were useful in his experiments when he ______.
A．realized they gave off gas fumes
B．saw they contained electricity
C．noticed their effect on ms skin
D．discovered their secret names
单项选择题
Why will battery buses cost less than conventional buses in the long run
A．They will spread the capital cost over a long period.
B．They will be stronger and last longer.
C．They will use less fuel and cost less to maintain.
D．They will be charged at night when electricity costs less.
相关试题