起动机电磁开关触点闭合后，活动铁芯应能继续移动（）mm附加行程，使开关可靠闭合
参考答案：1—3
—Sally doesn't like pop music, does she?
—_____. She is a fan of classical music.
A．No, she does
B．Yes, she does
C．No, she doesn't
D．Yes, she doesn’t
小儿关节伸展度检查时，3个月以上小儿手掌屈曲角应大于（）
A.45°
B.50°
C.55°
D.65°
E.70°
