在诊断中排在第三位的应是()
A.主要疾病
B.曾患过的疾病
C.家族主要成员所患的疾病
D.并发症
E.伴发病
参考答案:E
The reporters of all the leading newspapers _____ the trade talks between China and the United States.
A.printed
B.published
C.covered
D.interviewed
旋转分离器的工作原理?