禁止在水产品养殖中使用的农药有哪三种?
参考答案:
林丹(丙体六六六)、孔雀石绿(硫酸铜晶体)、五氯酚酸钠
—What do you think of Andrew ?
—There are some things that are not easy to , and his coldness is one .
A.put aside
B.put up with
C.think of
D.get along with
某药物于5%醋酸溶液中,加25%硫氰酸铵溶液,则产生白色沉淀,滤过,经80℃干燥,熔点约为131℃。该药物是
A.盐酸利多卡因B.苯佐卡因C.盐酸普鲁卡因D.肾上腺素E.盐酸丁卡因