液体制剂提取分离时采用的方法为
A.萃取法
B.冷浸法
C.回流法
D.水蒸气蒸馏法
E.超临界流体萃取法
参考答案:A
According to the expert, most animals will stay here, but ninety percent of the cattle _____ the
nearby preservation area in the coming week.[ ]
A. is to go to
B. is heading for
C. are being imported to
D. are to be transferred to
(一)题4-1、题4-2,画出A向斜视图(尺寸从图中直接量取)。