关于乳腺钼靶摄影最佳时间,正确的是
A.月经期
B.月经前期
C.月经中期
D.月经干净后1周内
E.与经期无关
参考答案:D
解析:乳腺钼靶摄影最佳时间月经干净后1周内。
—Can you come back at 3 o'clock tomorrow afternoon?
— . I'll have an important meeting at that time.
A.I hope so.
B.I agree.
C.I'm afraid so.
D.I'm afraid not.
油浸式消弧线圈新套管更换导电杆,焊接过程应无虚焊,假焊,焊渣不得落入器身。