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