所有( )都必须有主送机关。
A.上行文、下行文
B.上行文、平行文
C.下行文、平行文
D.事务文书
参考答案:B
.During the test we were supposed to stay in our seats , keep our eyes on our work , ___________to anyone .
A.but could not talk
B.instead of speaking
C.rather than speak
D.and not speak
子宫内膜息肉中除了含有子宫内膜的腺体和间质外,还含有平滑肌纤维时,应称为()
A.腺肌瘤性息肉
B.增生性息肉
C.萎缩性息肉
D.功能性息肉
E.子宫内膜增生