热盛动风，将成痉病，可见
A．牙疳B．齿衄C．睡中齿D．牙关紧急E．咬牙齿
参考答案：E
天然气在石油或水中的溶解度随温度的升高而减小。
Sally has a sister _______Class Two. They are twins. [ ]
A. in
B. at
C. on
D. of
