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【简答题】
在进行控制系统设计时，通常要选过程通道的放大系数K 0 要适当大些，时间常数T 0 适当小些，而扰动通道的K f 要尽可能小，T f 要尽可能大。请根据单回路控制系统闭环传递函数给出说明。
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【判断题】所谓的“城乡剪刀差”问题，事实上随着经济的发展已经明显的缩小。()
A.
正确
B.
错误
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【简答题】●与十六进制数A C．E等值的十进制数是 (1) ，等值的八进制数是 (2) 。 (1) A．112.875 B．162.875 C．172.7 D．172.875 (2) A．254.16 B．254.7 C．530.07 D．530.7
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【简答题】In a plant's life _______ , a seed grows into a plant, the plant produces seeds of its own, and then the plant dies.
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【简答题】患者女,20岁。 主诉:左面部咖啡色斑上散在扁平状棕黑色色沉 病史:出生后即发现在左面部有咖啡色斑,后咖啡斑上逐渐出现扁平状稍突起的色素沉着,无痒痛感,随身体长大而逐渐增大。 查体:左面部咖啡色斑上散在针头及米粒大小扁平状稍突起的色素沉着斑,质软,大小不一。 请诊断并写出诊断依据及处理办法。 12
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【简答题】阅读理解。 The Venus flytrap is a kind of meat-eating plant. It grows in very few places, such as wetlands near the coast of North Carolina in America. The Venus flytrap is not a large plant. It grows to b...
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【单选题】This plant grows very fast, __________ it should be regularly watered.
A.
however
B.
although
C.
but
D.
therefore
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【单选题】八进制数17+1=()。
A.
20
B.
18
C.
100
D.
110
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【单选题】The author mentions 'the green film of plant life that grows on stagnant pools' (lines 6-7) in order to explain ______.
A.
how the sun affects lichens
B.
why plants depend on water
C.
where fungi become algae
D.
what algae arc
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【单选题】病人,男性,22岁,因火灾致面部烧伤入院,体检发现病人声音嘶哑,口鼻处有黑色分泌物,鼻毛烧焦,该病人目前最主要的危险
A.
呼吸衰竭
B.
窒息
C.
肺部感染
D.
肺水肿
E.
呼吸性碱中毒
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【单选题】We did have a quarrel about money last night, but now we have already _____.
A.
taken up
B.
made up
C.
put up
D.
brought up
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相关题目：
【判断题】所谓的“城乡剪刀差”问题，事实上随着经济的发展已经明显的缩小。()
A.
正确
B.
错误
查看完整题目与答案
【简答题】●与十六进制数A C．E等值的十进制数是 (1) ，等值的八进制数是 (2) 。 (1) A．112.875 B．162.875 C．172.7 D．172.875 (2) A．254.16 B．254.7 C．530.07 D．530.7
查看完整题目与答案
【简答题】In a plant's life _______ , a seed grows into a plant, the plant produces seeds of its own, and then the plant dies.
查看完整题目与答案
【简答题】患者女,20岁。 主诉:左面部咖啡色斑上散在扁平状棕黑色色沉 病史:出生后即发现在左面部有咖啡色斑,后咖啡斑上逐渐出现扁平状稍突起的色素沉着,无痒痛感,随身体长大而逐渐增大。 查体:左面部咖啡色斑上散在针头及米粒大小扁平状稍突起的色素沉着斑,质软,大小不一。 请诊断并写出诊断依据及处理办法。 12
查看完整题目与答案
【简答题】阅读理解。 The Venus flytrap is a kind of meat-eating plant. It grows in very few places, such as wetlands near the coast of North Carolina in America. The Venus flytrap is not a large plant. It grows to b...
查看完整题目与答案
【单选题】This plant grows very fast, __________ it should be regularly watered.
A.
however
B.
although
C.
but
D.
therefore
查看完整题目与答案
【单选题】八进制数17+1=()。
A.
20
B.
18
C.
100
D.
110
查看完整题目与答案
【单选题】The author mentions 'the green film of plant life that grows on stagnant pools' (lines 6-7) in order to explain ______.
A.
how the sun affects lichens
B.
why plants depend on water
C.
where fungi become algae
D.
what algae arc
查看完整题目与答案
【单选题】病人,男性,22岁,因火灾致面部烧伤入院,体检发现病人声音嘶哑,口鼻处有黑色分泌物,鼻毛烧焦,该病人目前最主要的危险
A.
呼吸衰竭
B.
窒息
C.
肺部感染
D.
肺水肿
E.
呼吸性碱中毒
查看完整题目与答案
【单选题】We did have a quarrel about money last night, but now we have already _____.
A.
taken up
B.
made up
C.
put up
D.
brought up
查看完整题目与答案