关于子宫下段,哪项是错误的
A.非孕时长约1cmB.可达7~10cmC.于妊娠末期、逐渐扩展为宫腔的一部分D.由子宫峡部形成E.可与子宫体形成生理缩复环
参考答案:C
Up to now, Hope Project has helped thousands of students who would have dropped out of school.
A.therefore
B.anyway
C.otherwise
D.nevertheless
84消毒液和厕所清洁剂一起用会把人熏晕,这是为什么呢?