药用部位为成熟果实的是( )
A.砂仁 B.金银花 C.地黄 D.延胡索 E.三七
参考答案:C
解析:[知识点] 果实及种子类中药——补骨脂
My sister doesn't like doing the housework athome. She usually_____ much time shopping in the
supermarkets.[ ]
A. spends
B. costs
C. takes
D. pays
在产气时,由于气膨胀致冷,在井温测井曲线上产生负异常,产气量越大,负异常越()。
A.大
B.小
C.无变化