黑质病变（）。
A.四肢强直，角弓反张
B.四肢铅管样强直
C.四肢折刀样强直
D.四肢肌肉收缩后不易放松
E.生气后四肢强直
参考答案：B
When you are ______ about something, you are ______ to do whatever you can to get it. [ ]
A. anxious; likely
B. eager; possible
C. enthusiastic; likely
D. concerned; probable
非织造材料一般性能测试主要有哪些内容？
