直肠脱垂的病因中,下列哪些是错误的
A.骶骨弯曲度较直
B.长时间腹内压增高
C.直肠前陷凹腹膜反折过高
D.支持直肠软组织弱
E.女性有子宫脱垂
参考答案:E
The roads are crowded __________ walking to work is even quicker than driving.
A.so that
B.in order to
C.so as to
D.so as that
红细胞生成素的缩写
A.EPOB.G-CSFC.GM-CSFD.M-CSFE.Meg-CSF