感应电动机的启动电流较大，约为额定电流的（）。
A.2～5倍
B.3～6倍
C.4～7倍
D.5～8倍
参考答案：C
When he realized the police had spotted him, the man _______ the exit as quickly as possible.
A．madeoff
B．madefor
C．madeout
D．madeup
下列哪项属于角膜接触镜的优点（）
A.矫正屈光参差好
B.矫正不规则散光好
C.舒适方便安全
D.视野宽阔
E.影像真实
