低钾型周期性瘫痪的常见发病诱因是()
A．饱餐和寒冷
B．嗜睡和少尿
C．多汗和烦渴
D．心率缓慢和u波出现
E．嗜盐
参考答案：A
一篮苹果连篮子共重3.2千克，卖掉一半苹果后，连篮重1.7千克。苹果和篮子各有多重？
________ my opinion, the school trip was very interesting. [ ]
A. On
B. In
C. To
D. About
