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【多选题】
下列关于喹诺酮类药物构效关系描述正确的是
A.
吡酮酸环是抗菌作用必需的基本结构
B.
2位上引入取代基活性增加
C.
3位羧基和4位酮基是抗菌活性的必需基团
D.
在6位引入氟原子抗菌活性增加
E.
在7位上引入哌嗪基使活性增加
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举一反三
【简答题】PART 3 If it is correct, mark A on your answer sheet. If it is not correct, mark B on your answer sheet. TAKE THIS GREAT OPPORTUNITY TO DISCOVER SOME WONDERFUL EUROPEAN CITIES Here is a wonderful flig...
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【判断题】比尔盖茨中学时成绩优异。( )
A.
正确
B.
错误
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【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
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【判断题】霍懋征老师被周总理称为“国宝”
A.
正确
B.
错误
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【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
查看完整题目与答案
【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
查看完整题目与答案
【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
查看完整题目与答案
【单选题】Part B Directions: You will hear 3 conversations or talks and you must answer the questions by choosing A, B, C or D. You will hear the recording ONLY ONCE. 听力原文： When a consumer finds that an item sh...
A.
Complain personally to the manager.
B.
Threaten to take the matter to court.
C.
Write a firm letter of complaint to the store of purchase.
D.
Show some written proof of the purchase to the store.
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【单选题】Part B Directions: You will hear 3 conversations or talks and you must answer the questions by choosing A, B, C or D. You will hear the recording ONLY ONCE. 听力原文： When a consumer finds that all itern ...
A.
Complain personally to the manager.
B.
Threaten to take the matter to court.
C.
Write a firm letter of complaint to the store of purchase.
D.
Show some written proof of the purchase to the store.
查看完整题目与答案
【简答题】病案分析题（请分析下列病案的诊断、诊断依据；并写出治疗方法）患者，男性，42岁。因井下塌方致胸背部外伤疼痛9小时入院。体查：T36.8℃，R24次/min，P84次／min，BP120/70mmHg。急性痛苦面容，神清，呼吸浅促，呻吟，口唇不发绀，头面颈及球结膜无点状出血；右侧胸背部瘀斑、肿胀，压痛明显，胸廓挤压征阳性，同侧呼吸音减弱，腹对称平软，全腹无压痛，肠鸣音存在。X线片示T～T肋腋缘骨折，...
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相关题目：
【简答题】PART 3 If it is correct, mark A on your answer sheet. If it is not correct, mark B on your answer sheet. TAKE THIS GREAT OPPORTUNITY TO DISCOVER SOME WONDERFUL EUROPEAN CITIES Here is a wonderful flig...
查看完整题目与答案
【判断题】比尔盖茨中学时成绩优异。( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
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【判断题】霍懋征老师被周总理称为“国宝”
A.
正确
B.
错误
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【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
查看完整题目与答案
【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
查看完整题目与答案
【单选题】Part C Directions: Answer questions 71-80 by referring to the following games. Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than on...
A.
B.
C.
查看完整题目与答案
【单选题】Part B Directions: You will hear 3 conversations or talks and you must answer the questions by choosing A, B, C or D. You will hear the recording ONLY ONCE. 听力原文： When a consumer finds that an item sh...
A.
Complain personally to the manager.
B.
Threaten to take the matter to court.
C.
Write a firm letter of complaint to the store of purchase.
D.
Show some written proof of the purchase to the store.
查看完整题目与答案
【单选题】Part B Directions: You will hear 3 conversations or talks and you must answer the questions by choosing A, B, C or D. You will hear the recording ONLY ONCE. 听力原文： When a consumer finds that all itern ...
A.
Complain personally to the manager.
B.
Threaten to take the matter to court.
C.
Write a firm letter of complaint to the store of purchase.
D.
Show some written proof of the purchase to the store.
查看完整题目与答案
【简答题】病案分析题（请分析下列病案的诊断、诊断依据；并写出治疗方法）患者，男性，42岁。因井下塌方致胸背部外伤疼痛9小时入院。体查：T36.8℃，R24次/min，P84次／min，BP120/70mmHg。急性痛苦面容，神清，呼吸浅促，呻吟，口唇不发绀，头面颈及球结膜无点状出血；右侧胸背部瘀斑、肿胀，压痛明显，胸廓挤压征阳性，同侧呼吸音减弱，腹对称平软，全腹无压痛，肠鸣音存在。X线片示T～T肋腋缘骨折，...
查看完整题目与答案
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