构成革兰氏阳性菌细胞壁的主要成分是()
A.脂多糖
B.粘肽
C.磷壁酸
D.脂蛋白
E.分枝菌酸
参考答案:B
So far, this is the best way I've thought of ________ this problem. [ ]
A. settling
B. to settle
C. by settling
D. having settled
腕尺侧管内通过的结构是()。
A.掌长肌腱
B.桡侧腕屈肌腱
C.尺侧腕屈肌腱
D.尺神经和尺血管
E.正中神经