单项选择题

The type of influenza discussed in this story ______.

A．had been classified years before
B．could not be cured by any known drug
C．could be prevented from spreading
D．could not affect adults
<上一题 目录 下一题>
热门 试题

单项选择题
Where do most people think Twain was born
A．Florida.
B．California.
C．Nevada.
D．Hannibal.
单项选择题
Why might the education majors be interested in the activity
A．Because the students have chance to teach math.
B．Because it offers teaching opportunity.
C．Because it provides a position in school.
D．Because the students could work as mentors.
相关试题