右肺下动脉干宽度正常值是()
A.5mm
B.<15mm
C.10mm
D.3mm
E.20mm
参考答案:B
— How much ____________ the apples?
— Two yuan. [ ]
A. to
B. for
C. is
D. of
仲景治疗咳嗽,若痰浊黏稠,多用()
A.麻黄
B.皂荚
C.干姜
D.杏仁
E.甘草