药典规定盐酸普鲁卡因
A.对氨基苯甲酸B.对氨基酚C.对苯二酚D.肾上腺酮E.游离水杨酸 下列药物中应检查的杂质是
参考答案:A
阅读理解。
There is a park near my home. People like to go to this park. Some of them go to the park every
day. Look! That is Mr. King. He is sitting on a chair and watching the children Some children are playing a game. Some boys are playing football. Lucy and Lily are standing under a tree. They are talking. There
is a small river in the park. We can see some boats on the water. Some children are sitting in the boats
with their fathers and mothers. Listen! A girl is singing a song. This is really a nice park. I come here
every day.
1. People near the park may go to it .
A. at 5 in the morning
B. at 3 in the afternoon
C. at l in the morning
D. at 6:30 in the evening
2.There are some in the park.
A. birds and cats
B. chairs and boats
C. balls and kites
D. houses and buses
3. Lucy is talking with .
A. Mr. King
B. the boys
C. Lily
D. the birds
4. I can see some on the water.
A. children
B. men
C. women
D. boats
5. What am I doing?
A. I am watching the people in the park.
B. I am playing a game.
C. I am in a boat.
D. I am singing a song.
在肺炎双球菌的转化实验中,R型细菌转化成S型细菌的转化因子是()。
A.荚膜
B.S型细菌的DNA
C.蛋白质
D.R型细菌的RNA