关于正畸疼痛的影响因素，下列哪一项是不正确的（）。
A.年龄
B.个体差异
C.矫治力的大小
D.牙周膜受压缺血、出现炎症反应
E.急性根尖炎
参考答案：E
请简述一号线车次规定。
In the wartime, the masses devoted whatever they had to ______ the army in fighting against the Japanese.
A．have supported
B．support
C．having supported
D．supporting
