辛亥革命最伟大的历史功绩是[ ]
A.推翻了清王朝的统治
B.结束了两千多年的封建帝制
C.沉重打击了帝国主义
D.颁布了《中华民国临时约法》
答案:B
—I think we have met the word before.
—Yes.It is in the reading material ________ we ________ reading yesterday.
A.that;did
B.that;were
C.when;were
D.when;did
哪种疾病合并房颤易引起晕厥()
A.扩张型心肌病
B.肥厚型心肌病
C.二尖瓣关闭不全
D.主动脉瓣关闭不全
E.高血压病