【单选题】课文理解Why had the biology teacher made fun of Mirage's name by asking “Do some people call you Illusion”?
A.
Because the words ,mirage and illusion ,have the similar meaning.
B.
Because Mr. Ray is a humorous teacher.
C.
Because the biology teacher wanted to punish Mirage.
D.
Because Mirage is a naughty girl.
【简答题】指针万用表结构分为表头_________ 和_________ 。
【单选题】离原点越远的等产量曲线代表的产量水平( )
【判断题】离原点越远的等产量曲线代表的产量水平越低
【单选题】高尔基揭开无产阶级文学历史新纪元的作品是哪一部?
【简答题】根据图中注明的尺寸,判断各铰链四杆机构的类型。