问题
多项选择题
喹诺酮类抗微生物药物的特点包括（）
A.新品种对革兰阳性菌和革兰阴性菌、厌氧菌均具有较强的抗菌活性
B.口服吸收好，体内分布广，细胞内浓度高，对胞内细菌作用好
C.半衰期长，多经肾脏排泄，尿中浓度高
D.孕妇和小儿发育不良者慎用，大剂量静脉注射可致抽搐
E.作用于DNA旋转酶，是杀菌剂
答案
参考答案：A, B, C, D, E
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喹诺酮类抗微生物药物的特点包括（）
A.新品种对革兰阳性菌和革兰阴性菌、厌氧菌均具有较强的抗菌活性
B.口服吸收好，体内分布广，细胞内浓度高，对胞内细菌作用好
C.半衰期长，多经肾脏排泄，尿中浓度高
D.孕妇和小儿发育不良者慎用，大剂量静脉注射可致抽搐
E.作用于DNA旋转酶，是杀菌剂
参考答案：A, B, C, D, E
| 阅读理解。 |
| Jack is six years old. He has no sisters. But he has a brother. His brother's name is Mike. Jack likes eating apples, oranges and bananas. Sometimes he eats some of his brother's apples. And his brother hits him for that. He doesn't like Mike. This September he is going to school. It's the ninth day at school. Jack and his classmates are having a new lesson. "Jack, how much is five minus three, please?" "It's…it's…" "Now, listen to me," says the teacher, "If your sister has five apples, and you have eaten three of them…" "But I have no sisters." Jack says. "Oh, sorry. But do you have any brothers?" "Yes." "Now, if your brother has five apples, and you have eaten three of them, tell me how…?" "He'll certainly give me a good beating" Jack says quickly. |
| 1. How many brothers and sisters does Jack have? |
[ ] |
| A. One brother and one sister. B. One brother and two sisters. C. Only one brother. D. No brothers and no sisters. |
| 2. Why does Mike sometimes hit Jack? Because ______. |
[ ] |
| A. Jack often hits Mike B. Jack doesn't like eating fruit C. Jack doesn't do his homework D. Jack often eats some of Mike's of apples |
| 3. Why can't Jack answer his teacher's question? Because ______. |
[ ] |
| A. he has no sisters B. he has no brothers C. he doesn't understand his teacher's question D. he has no apples |
| 4. If you have five apples, you have eaten three of them, how many apples remain (剩下) ______. |
[ ] |
| A. two B. three C. four D. one |
| 5. When does the story happen (发生)? |
[ ] |
| A. In October. B. On the ninth day at school. C. In a new lesson. D. At school. |