防风含有()
A.含有油管
B.含有分泌细胞
C.含有树脂道
D.含有油室
E.含有乳汁管
参考答案:A
解析:防风含有油管。人参含有树脂道。白术含有油室。党参含有乳汁管。
一盒巧克力糖,7个7个地数还余5个,5个5个地数还余3个,3个3个地数还余1个,这盒糖至少有______个.
A 16-year-old girl comes to the school nurse complaining of cramps, backache, and nausea with her periods. The nurse most likely would interpret these symptoms as which of the following()
A. Pathologic.
B. Physiologic.
C. Psychogenic.
D. Psychosomatic.