动脉导管末闭与室间隔缺损的鉴别要点是:()
A.有反复呼吸道感染
B.生长发育落后
C.左心室增大
D.肺动脉瓣区第二音亢进
E.以上均不是
参考答案:E
By the time the tornado ended, more than 700 people _________.
A.have killed
B.had been killed
C.were killed
D.had killed
澳门妈祖阁中供奉的妈祖又称(),是护佑航海平安之神。