患者腰痛以酸软为主,喜按喜揉,腿膝无力,遇劳更甚,卧则减轻。治疗应选用
A.牛膝B.桃仁C.红花D.郁金E.鸡血藤
参考答案:A
We're just trying to reach a point________both sides will sit down together and talk.[ ]
A. where
B. that
C. when
D. which
用已准确称量过的氯化钠固体配成100ml1mol/l的氯化钠溶液,需要用到下列仪器中的( )
①坩埚②分液漏斗③100ml容量瓶④烧瓶⑤胶头滴管⑥烧杯⑦玻璃棒⑧托盘天平.
A.③④⑤⑧
B.①②④⑧
C.③⑤⑥⑦
D.①③⑥⑦