问题
单项选择题
药物的含量测定方法为
肾上腺素
A.溴量法
B.双相滴定法
C.亚硝酸钠滴定法
D.非水溶液滴定法
E.高效液相色谱法
答案
参考答案:D
药物的含量测定方法为
肾上腺素
A.溴量法
B.双相滴定法
C.亚硝酸钠滴定法
D.非水溶液滴定法
E.高效液相色谱法
参考答案:D
完形填空。 | ||||
A French student went to London for his holiday. He thought,"I know 1 English. But I think people can understand me." One day he went to a hotel and sat down at a 2 . He wanted to__3__a cup of tea and some eggs. Soon the waiter came up to him and asked,"Can I help you?" "A cup of tea and..."He could not remember the__4__word for eggs. He looked __5__him,but nobody was eating eggs. Then he saw__6__on the table next to him. There was a picture of__7__on its cover (封面). He 8 the picture to the waiter."What is the English for this?" "A cock," answered the waiter."What do you call a cock's wife?" he asked again."A hen." "And what do you call a cock's children?" "Chicks.""And what do you call chicks 9 they are born(出生)?" "Eggs." "Very well," said the French student happily."Bring me two 10 and a cup of tea,please." And he sat down with a smile on his face. | ||||
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