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【单选题】
核酸中核苷酸之间的连接方式是
A.
2',3' 磷酸二酯键
B.
3',5' 磷酸二酯键
C.
2',5'- 磷酸二酯键
D.
糖苷键
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【单选题】当总风缸内压力低于（）时，总风低压压力保护开关K04控制机车卸载。
A.
350—470Kpa
B.
300—400Kpa
C.
450—570Kpa
查看完整题目与答案
【单选题】It can be concluded from the last paragraph that______.
A.
legal strategies of music companies can soon kill off illegal online sharers
B.
music companies have actually worsened their image in many consumers' eyes
C.
big CD companies will never be able to charge all the illegal file-sharing companies
D.
most music lovers will stop downloading illegal online music in the near future
查看完整题目与答案
【简答题】A．They are frustrating to use. B．They are expensive to operate. C．They can cause companies to lose business. D．They can be very convenient sometimes.
查看完整题目与答案
【单选题】给定值又称为() :希望被控量趋近的数值又称为规定值。
A.
单变量t
B.
参考输入
C.
传递函数
D.
线性定常
查看完整题目与答案
【单选题】Man: The competition is increasingly fierce. What shall we do next? Woman: If other companies lower their prices, we'll have to follow suit. Question: What does the woman suggest?
A.
Doing the same as other companies have done.
B.
Producing the same suits as other companies.
C.
Fighting against others by cutting down the cost.
D.
Working out other policies to compensate for the loss.
查看完整题目与答案
【简答题】You want to run across the street to catch the bus which is leaving soon? But 1 ! You’d better not. If a policeman sees you, you’ll have to pay a fine (罚款). New traffic laws (交通法) say that 2 people cr...
查看完整题目与答案
【多选题】病历摘要：患者男，56岁，昨晚值夜班一直伏在办公桌前睡觉，早晨5点醒来，伸腰并打哈欠时突感上背部疼痛及上胸部疼痛，伴四肢乏力，麻木，下腹胀。病前无明显感冒病史。查：神清合作，对答切题，构音清晰，各颅神经（-），四肢瘫痪，双上肢远端肌力3级，近端5级，左下肢4级，右下肢3级，双下肢肌张力高，双上肢腱反射正常，双下肢腱反射亢进，双踝阵挛阳性，右侧Babinski征阳性。脊柱胸2处叩痛，双上肢远端触觉障...
A.
根性疼痛不明显
B.
开始为一侧传导束型感觉障碍
C.
浅感觉障碍由下向上发展
D.
脊髓半切多见
E.
较早出现一侧锥体束征
F.
括约肌功能障碍较晚出现
G.
局部棘突压痛、叩击痛明显
H.
晚期才有椎管梗阻
查看完整题目与答案
【多选题】病历摘要：患者男，56岁，昨晚值夜班一直伏在办公桌前睡觉，早晨5点醒来，伸腰并打哈欠时突感上背部疼痛及上胸部疼痛，伴四肢乏力，麻木，下腹胀。病前无明显感冒病史。查：神清合作，对答切题，构音清晰，各颅神经（-），四肢瘫痪，双上肢远端肌力3级，近端5级，左下肢4级，右下肢3级，双下肢肌张力高，双上肢腱反射正常，双下肢腱反射亢进，双踝阵挛阳性，右侧Babinski征阳性。脊柱胸2处叩痛，双上肢远端触觉障...
A.
局部棘突压痛、叩击痛明显
B.
开始为一侧传导束型感觉障碍
C.
浅感觉障碍由下向上发展
D.
脊髓半切多见
E.
较早出现一侧锥体束征
F.
括约肌功能障碍较晚出现
查看完整题目与答案
【多选题】党的十九大报告指出,加大生态系统保护力度,完成_____三条控制线划定工作。
A.
生态保护红线
B.
永久基本农田
C.
城镇开发边界
D.
国土绿化面积
查看完整题目与答案
【多选题】流行性胸痛的临床特点是
A.
多见于夏秋季，儿童及青少年多见
B.
潜伏期2～5天，常突然发热伴阵发性肌痛，以胸部、腹壁及膈肌附着点最明显
C.
胸痛呈烧灼样、刀割样、痉挛样或尖锐刺痛等，随呼吸活动加重，疼痛多位于浅表肌肉层。膈胸膜受侵犯时有同侧肩痛
D.
易合并干性胸膜炎，偶有少量胸腔积液
E.
主要由钩端螺旋体引起
查看完整题目与答案
相关题目：
【单选题】当总风缸内压力低于（）时，总风低压压力保护开关K04控制机车卸载。
A.
350—470Kpa
B.
300—400Kpa
C.
450—570Kpa
查看完整题目与答案
【单选题】It can be concluded from the last paragraph that______.
A.
legal strategies of music companies can soon kill off illegal online sharers
B.
music companies have actually worsened their image in many consumers' eyes
C.
big CD companies will never be able to charge all the illegal file-sharing companies
D.
most music lovers will stop downloading illegal online music in the near future
查看完整题目与答案
【简答题】A．They are frustrating to use. B．They are expensive to operate. C．They can cause companies to lose business. D．They can be very convenient sometimes.
查看完整题目与答案
【单选题】给定值又称为() :希望被控量趋近的数值又称为规定值。
A.
单变量t
B.
参考输入
C.
传递函数
D.
线性定常
查看完整题目与答案
【单选题】Man: The competition is increasingly fierce. What shall we do next? Woman: If other companies lower their prices, we'll have to follow suit. Question: What does the woman suggest?
A.
Doing the same as other companies have done.
B.
Producing the same suits as other companies.
C.
Fighting against others by cutting down the cost.
D.
Working out other policies to compensate for the loss.
查看完整题目与答案
【简答题】You want to run across the street to catch the bus which is leaving soon? But 1 ! You’d better not. If a policeman sees you, you’ll have to pay a fine (罚款). New traffic laws (交通法) say that 2 people cr...
查看完整题目与答案
【多选题】病历摘要：患者男，56岁，昨晚值夜班一直伏在办公桌前睡觉，早晨5点醒来，伸腰并打哈欠时突感上背部疼痛及上胸部疼痛，伴四肢乏力，麻木，下腹胀。病前无明显感冒病史。查：神清合作，对答切题，构音清晰，各颅神经（-），四肢瘫痪，双上肢远端肌力3级，近端5级，左下肢4级，右下肢3级，双下肢肌张力高，双上肢腱反射正常，双下肢腱反射亢进，双踝阵挛阳性，右侧Babinski征阳性。脊柱胸2处叩痛，双上肢远端触觉障...
A.
根性疼痛不明显
B.
开始为一侧传导束型感觉障碍
C.
浅感觉障碍由下向上发展
D.
脊髓半切多见
E.
较早出现一侧锥体束征
F.
括约肌功能障碍较晚出现
G.
局部棘突压痛、叩击痛明显
H.
晚期才有椎管梗阻
查看完整题目与答案
【多选题】病历摘要：患者男，56岁，昨晚值夜班一直伏在办公桌前睡觉，早晨5点醒来，伸腰并打哈欠时突感上背部疼痛及上胸部疼痛，伴四肢乏力，麻木，下腹胀。病前无明显感冒病史。查：神清合作，对答切题，构音清晰，各颅神经（-），四肢瘫痪，双上肢远端肌力3级，近端5级，左下肢4级，右下肢3级，双下肢肌张力高，双上肢腱反射正常，双下肢腱反射亢进，双踝阵挛阳性，右侧Babinski征阳性。脊柱胸2处叩痛，双上肢远端触觉障...
A.
局部棘突压痛、叩击痛明显
B.
开始为一侧传导束型感觉障碍
C.
浅感觉障碍由下向上发展
D.
脊髓半切多见
E.
较早出现一侧锥体束征
F.
括约肌功能障碍较晚出现
查看完整题目与答案
【多选题】党的十九大报告指出,加大生态系统保护力度,完成_____三条控制线划定工作。
A.
生态保护红线
B.
永久基本农田
C.
城镇开发边界
D.
国土绿化面积
查看完整题目与答案
【多选题】流行性胸痛的临床特点是
A.
多见于夏秋季，儿童及青少年多见
B.
潜伏期2～5天，常突然发热伴阵发性肌痛，以胸部、腹壁及膈肌附着点最明显
C.
胸痛呈烧灼样、刀割样、痉挛样或尖锐刺痛等，随呼吸活动加重，疼痛多位于浅表肌肉层。膈胸膜受侵犯时有同侧肩痛
D.
易合并干性胸膜炎，偶有少量胸腔积液
E.
主要由钩端螺旋体引起
查看完整题目与答案