“扳机点”常见于（）
A.三叉神经痛
B.偏头痛
C.面神经炎
D.紧张型头痛
E.癫痫
参考答案：A
This shirt is too expensive(贵的). I______. [ ]
A. can buy it
B. can't afford it
C. can bring it
D. can't like it
有三张卡片上分别写着3，5，6．如果用这三张卡片摆出一个三位数，则摆出的三位数是偶数的可能性是______（填几分之几）．
