痴呆，神志昏迷，口吐涎沫，喉有痰声，其证候是（）。
A.痰浊蒙窍证
B.痰火扰神证
C.寒痰阻肺证
D.风热犯肺证
E.水停证
参考答案：A
—Hello. May I speak to Mrs White?
—Sorry. She is out right now. Can I_________a message?[ ]
A. carry
B. take
C. leave
D. give
什么是高斯投影？为何采用分带投影？
