葡萄胎的临床表现()。
A.停经及 * * 流血
B.多有妊娠剧吐
C.常有体重下降
D.子宫大于妊娠周数
E.伴有双卵巢囊性增大
参考答案:A, B, D, E
我国各民族的分布特点是( )
A.大集中小分散
B.各民族平均分布
C.大杂居小聚居
D.一个民族一个聚居地
All the employees at the company are _______ their business as usual.
A.going for
B.going through
C.going about
D.going by