异常Q波可见于下列各项,但哪项除外 ( )
A.心肌梗
B.右室肥大
C.心肌病
D.肺梗死
E.预激综合征
参考答案:B
By the time he graduated from university, he ______ more than two novels.[ ]
A. has written
B. had been writing
C. will have written
D. had written
有关乳腺正常分型,包括哪些().
A.青春型
B.腺体型
C.青年型
D.退化型
E.萎缩型