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【单选题】
,男,43岁。因腘静脉处血栓形成,主管医师叮嘱:应绝对卧床休息10~14天,床上活动时避免动作幅度过大,禁止按摩患肢,目的是:
A.
防止血栓脱落
B.
预防出血
C.
促进静脉回流
D.
缓解疼痛
E.
防止再次血栓形成
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参考答案：
举一反三
【单选题】The three religions all take Foundation Stone located in______ as their halidon, and it has become the chief culprit of religious conflict in Jerusalem.
A.
Al-Aqsa Mosque
B.
the Dome of the Rock
C.
The Western Wall
D.
the Church of the Holy Sepulchre
查看完整题目与答案
【单选题】假设检验时,若期望尽量降低I型错误,检验水准最好取
A.
0.01
B.
0.02
C.
0.05
D.
0.1
E.
0.2
查看完整题目与答案
【单选题】The three religions all take Foundation Stone located in_________ as their halidom (圣地) , and it has become the chief culprit (祸首) of religious conflict in Jerusalem.
A.
Al-Aqsa Mosque
B.
the Dome of the Rock
C.
the Western Wall
D.
the Church of the Holy Sepulcher
查看完整题目与答案
【单选题】The three religions all take Foundation Stone located in as their halidom, and it has become the chief culprit of religious conflict in Jerusalem.
A.
Al-Aqsa Mosque
B.
the Dome of the Rock
C.
the Western Wall
D.
the Church of the Holy Sepulchre
查看完整题目与答案
【单选题】The three religions all take Foundation Stone located in______ as their halidom, and it has become the chief culprit of religious conflict Jersalem.
A.
Al-Aqsa Mosque
B.
the Dome of the Rock
C.
the Western Wall
D.
the Church of the Holy Sepulchre
查看完整题目与答案
【单选题】下面( )包括工序简图。
A.
A机械加工工艺过程卡片
B.
B机械加工工艺卡片
C.
C机械加工工序卡片
D.
D机械加工艺卡片和机械加工
查看完整题目与答案
【单选题】The three religions all take Foundation Stone located in_________ as their halidom (圣地) , and it has become the chief culprit (祸首) of religious conflict in Jerusalem.
A.
Al-Aqsa Mosque
B.
the Western Wall
C.
the Dome of the Rock
D.
the Church of the Holy Sepulchre
查看完整题目与答案
【简答题】What are the three religions in the world?
查看完整题目与答案
【简答题】本小题满分14分） 已知椭圆 的左、右焦点分别为F 1 、F 2 ，若以F 2 为圆心，b-c为半径作圆F 2 ，过椭圆上一点P作此圆的切线，切点为T，且 的最小值不小于 。 （1）证明 ：椭圆上的点到F 2 的最短距离为 ； （2）求椭圆的离心率e的取值范围； （3）设椭圆的短半轴长为1，圆F 2 与 轴的右交点为Q，过点Q作斜率为 的直线 与椭圆相交于A、B两点，若OA⊥OB，求直线 被圆F ...
查看完整题目与答案
【简答题】已知椭圆 + =1上一点P与椭圆两焦点F 1 、F 2 ,连线的夹角为直角，则|PF 1 |·|PF 2 |=_________.
查看完整题目与答案
相关题目：
【单选题】The three religions all take Foundation Stone located in______ as their halidon, and it has become the chief culprit of religious conflict in Jerusalem.
A.
Al-Aqsa Mosque
B.
the Dome of the Rock
C.
The Western Wall
D.
the Church of the Holy Sepulchre
查看完整题目与答案
【单选题】假设检验时,若期望尽量降低I型错误,检验水准最好取
A.
0.01
B.
0.02
C.
0.05
D.
0.1
E.
0.2
查看完整题目与答案
【单选题】The three religions all take Foundation Stone located in_________ as their halidom (圣地) , and it has become the chief culprit (祸首) of religious conflict in Jerusalem.
A.
Al-Aqsa Mosque
B.
the Dome of the Rock
C.
the Western Wall
D.
the Church of the Holy Sepulcher
查看完整题目与答案
【单选题】The three religions all take Foundation Stone located in as their halidom, and it has become the chief culprit of religious conflict in Jerusalem.
A.
Al-Aqsa Mosque
B.
the Dome of the Rock
C.
the Western Wall
D.
the Church of the Holy Sepulchre
查看完整题目与答案
【单选题】The three religions all take Foundation Stone located in______ as their halidom, and it has become the chief culprit of religious conflict Jersalem.
A.
Al-Aqsa Mosque
B.
the Dome of the Rock
C.
the Western Wall
D.
the Church of the Holy Sepulchre
查看完整题目与答案
【单选题】下面( )包括工序简图。
A.
A机械加工工艺过程卡片
B.
B机械加工工艺卡片
C.
C机械加工工序卡片
D.
D机械加工艺卡片和机械加工
查看完整题目与答案
【单选题】The three religions all take Foundation Stone located in_________ as their halidom (圣地) , and it has become the chief culprit (祸首) of religious conflict in Jerusalem.
A.
Al-Aqsa Mosque
B.
the Western Wall
C.
the Dome of the Rock
D.
the Church of the Holy Sepulchre
查看完整题目与答案
【简答题】What are the three religions in the world?
查看完整题目与答案
【简答题】本小题满分14分） 已知椭圆 的左、右焦点分别为F 1 、F 2 ，若以F 2 为圆心，b-c为半径作圆F 2 ，过椭圆上一点P作此圆的切线，切点为T，且 的最小值不小于 。 （1）证明 ：椭圆上的点到F 2 的最短距离为 ； （2）求椭圆的离心率e的取值范围； （3）设椭圆的短半轴长为1，圆F 2 与 轴的右交点为Q，过点Q作斜率为 的直线 与椭圆相交于A、B两点，若OA⊥OB，求直线 被圆F ...
查看完整题目与答案
【简答题】已知椭圆 + =1上一点P与椭圆两焦点F 1 、F 2 ,连线的夹角为直角，则|PF 1 |·|PF 2 |=_________.
查看完整题目与答案
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