皮皮学，免费搜题
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【单选题】
三相桥式整流电路需要 ( ) 路触发信号。
A.
3
B.
6
C.
2
D.
4
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参考解析：
知识点：
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【多选题】企业的核心竞争力是指能够为企业带来相对于竞争对手的竞争优势的资源和能力。企业在分析资源时，要想从中提炼出企业的核心竞争力，需要关注资源的（ ）。
A.
稀缺性
B.
不可模仿性
C.
盈利性
D.
不可替代性
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【简答题】stenosis (narrowing of a c)
查看完整题目与答案
【单选题】The sound associated with tricuspid stenosis (narrowing) in a 40-year-old male would be best heard at which location on the anterior chest wall?
A.
Below the left nipple
B.
In the right 2nd intercostal space near the sternum
C.
Over the apex of the heart
D.
Over the sternal angle
E.
Xiphoid area, just off the sternum
查看完整题目与答案
【简答题】横向一体化能够为企业带来的战略利益有哪些?
查看完整题目与答案
【单选题】Which of the following causes decreased renin release by the kidneys?
A.
Narrowing (stenosis) of the renal artery
B.
Intravenous infusion of isotonic saline
C.
Decreased fluid and solute delivery to the macula densa
D.
Hemorrhage
E.
Stimulation of renal sympathetic nerves
查看完整题目与答案
【单选题】A 59-year-old woman with type II diabetes mellitus experiences an episode of chest pain with exercise. On examination, her BMI is 30. Angiography reveals proximal coronary arterial narrowing with up t...
A.
Acetaminophen
B.
Aspirin
C.
Ibuprofen
D.
Paclitaxel
E.
Propranolol
查看完整题目与答案
【单选题】A 59-year-old woman with type II diabetes mellitus experiences an episode of chest pain with exercise. On ex- amination, her BMI is 30. Angiography reveals proximal coronary arterial narrowing with up...
A.
Acetaminophen
B.
Aspirin
C.
Ibuprofen
D.
Paclitaxel
E.
Propranolo
查看完整题目与答案
【单选题】A 7-year-old boy is referred to the endocrine clinic with short stature, rhizomelic shortening of the arms and legs, a disproportionately long trunk, trident hands, midfacial hypoplasia, prominent for...
A.
Decreased bone deposition under the periosteum
B.
Decreased proliferation of osteoblasts in the primary ossification center
C.
Decreased proliferation of osteoblasts in the secondary ossification center
D.
Decreased appositional growth of chondroblasts in the primary ossification center
E.
Decreased interstitial growth of chondroblasts in the epiphyses
查看完整题目与答案
【单选题】The term for a narrowing of the bicuspid valve is:
A.
atrial prolapse
B.
pulmonic stenosis
C.
mitral stenosis
D.
mitral prolapse
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【单选题】要在表中查找年龄大于18岁的男性,应该使用的关系运算是( )。
A.
专门的关系运算包括投影、选择和联接。选择运算是从关系中找出满足给定条件的那些元组,这种运算是从水平方向抽取元组;投影运算是从关系模式中挑选若干属性组成新的关系,这是从列的角度进行的运算,相当于对关系进行垂直分解;联接运算是将两个关系拼接成一个新的关系,生成的新关系中包含满足条件的元组。在一个关系中要找出满足指定条件的元组组成新关系属于选择运算。因此选项C正确。
B.
联接
C.
关系
D.
选择
查看完整题目与答案
相关题目：
【多选题】企业的核心竞争力是指能够为企业带来相对于竞争对手的竞争优势的资源和能力。企业在分析资源时，要想从中提炼出企业的核心竞争力，需要关注资源的（ ）。
A.
稀缺性
B.
不可模仿性
C.
盈利性
D.
不可替代性
查看完整题目与答案
【简答题】stenosis (narrowing of a c)
查看完整题目与答案
【单选题】The sound associated with tricuspid stenosis (narrowing) in a 40-year-old male would be best heard at which location on the anterior chest wall?
A.
Below the left nipple
B.
In the right 2nd intercostal space near the sternum
C.
Over the apex of the heart
D.
Over the sternal angle
E.
Xiphoid area, just off the sternum
查看完整题目与答案
【简答题】横向一体化能够为企业带来的战略利益有哪些?
查看完整题目与答案
【单选题】Which of the following causes decreased renin release by the kidneys?
A.
Narrowing (stenosis) of the renal artery
B.
Intravenous infusion of isotonic saline
C.
Decreased fluid and solute delivery to the macula densa
D.
Hemorrhage
E.
Stimulation of renal sympathetic nerves
查看完整题目与答案
【单选题】A 59-year-old woman with type II diabetes mellitus experiences an episode of chest pain with exercise. On examination, her BMI is 30. Angiography reveals proximal coronary arterial narrowing with up t...
A.
Acetaminophen
B.
Aspirin
C.
Ibuprofen
D.
Paclitaxel
E.
Propranolol
查看完整题目与答案
【单选题】A 59-year-old woman with type II diabetes mellitus experiences an episode of chest pain with exercise. On ex- amination, her BMI is 30. Angiography reveals proximal coronary arterial narrowing with up...
A.
Acetaminophen
B.
Aspirin
C.
Ibuprofen
D.
Paclitaxel
E.
Propranolo
查看完整题目与答案
【单选题】A 7-year-old boy is referred to the endocrine clinic with short stature, rhizomelic shortening of the arms and legs, a disproportionately long trunk, trident hands, midfacial hypoplasia, prominent for...
A.
Decreased bone deposition under the periosteum
B.
Decreased proliferation of osteoblasts in the primary ossification center
C.
Decreased proliferation of osteoblasts in the secondary ossification center
D.
Decreased appositional growth of chondroblasts in the primary ossification center
E.
Decreased interstitial growth of chondroblasts in the epiphyses
查看完整题目与答案
【单选题】The term for a narrowing of the bicuspid valve is:
A.
atrial prolapse
B.
pulmonic stenosis
C.
mitral stenosis
D.
mitral prolapse
查看完整题目与答案
【单选题】要在表中查找年龄大于18岁的男性,应该使用的关系运算是( )。
A.
专门的关系运算包括投影、选择和联接。选择运算是从关系中找出满足给定条件的那些元组,这种运算是从水平方向抽取元组;投影运算是从关系模式中挑选若干属性组成新的关系,这是从列的角度进行的运算,相当于对关系进行垂直分解;联接运算是将两个关系拼接成一个新的关系,生成的新关系中包含满足条件的元组。在一个关系中要找出满足指定条件的元组组成新关系属于选择运算。因此选项C正确。
B.
联接
C.
关系
D.
选择
查看完整题目与答案