具有异型维管束的茎木类药材是()。
A.川木通
B.大血藤
C.鸡血藤
D.钩藤
E.桂枝
参考答案:C
To me, cycling at ___ altitude of more than 4,000 meters was _____ unforgettable experience.
A.the; an
B.an; an
C./; a
D.an; /
脑出血病人出现瞳孔不等大,昏迷加深,常可提示:()
A.脑室出血
B.小脑扁桃体疝
C.颞叶钩回疝
D.小脑出血
E.以上都不是