糖的致龋性大在进糖的时间上表现为
A．和早饭吃
B．和午餐吃
C．和晚餐吃
D．两餐间吃
E．不吃
参考答案：D
Peter received a letter just_____his grandma would come to see him soon.[ ]
A. said
B. says
C. saying
D. to say
舌体短缩，色青紫而湿润，是由于
A．气滞血瘀B．痰浊内阻C．寒凝筋脉D．疫毒攻心E．热盛动风
