某市教育局撤消下级某职业教育学院不适当的决定应该使用的正式公文文种是()。
A.通报
B.决定
C.会议纪要
D.请示
参考答案:B
There ___________ a cat and two birds in the tree just now. [ ]
A. were
B. has
C. is
D. was
后囊下白内障就是后发障。