内寒导致妇产科病证的病机是（）
A.影响胞宫、胞脉、胞络的功能
B.久病阳虚
C.过食寒凉饮食
D.素体阳虚
E.与脾肾阳虚关系最大
参考答案：A
Johnson _______ Toronto three times. [ ]
A. has been to
B. has gone to
C. has gone
D. has been
根据汉语提示，完成句子, 每空一词。
1. 她对舞蹈有天赋.
She has a ___ __ dancing.
2. 在我们办公室不允许吸烟.
We don't ___________ ___________in the office.
3. 我不能容忍你考试作弊而不受惩罚.
I won't have you ________ _______ _______ cheating in the exam.
4. 他们决定坐飞机去伦敦,而不是乘火车.
They decided to fly to London _______ ________take a train.
