图是（）触头。
A、延时断开动合
B、延时闭合动合
C、延时断开动断
参考答案：A
选择合适的答语。
( 1. What would you like?
( )2. Can I help you?
( )3. What's your father?
( )4. Your school is cool !
( )5. What's in your schoolbag?
A. Thank you.
B. I'd like some ice.
C. Yes, pass me a plate.
D. He is a doctor.
E. An English book.
患者服药后出现锥体外系不良反应，最严重且预后极差的情况是出现
A．急性肌张力增高
B．静坐不能
C．帕金森症状群
D．动眼危象
E．迟发性运动障碍
是（）触头。
是（）触头。