女,29岁。怀孕已3个月,近日突然“见红”,并伴有恶心呕吐,脘腹胀满,不思饮食,舌淡苔白,脉滑。治疗应首选
A.砂仁
B.半夏
C.杜仲
D.黄连
E.苍术
参考答案:A
The large family is really a heavy_______ on his shoulder, so he has to work day and night.
A.job
B.challenge
C.load
D.weight
钢管外径48.3mm,允许偏差()mm。
A.±0.4
B.±0.2
C.±0.3
D.±0.5