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【单选题】
关于β受体阻断药的降压机制,下列叙述哪项不正确
A.
抑制肾素释放
B.
减少心排出量
C.
扩张血管
D.
减少交感释放
E.
中枢降压作用
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参考答案：
举一反三
【单选题】The house felt to me, as if I had been there before.
A.
strange
B.
familiar
C.
attractive
D.
unknown
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【单选题】以下情况引起的误差不属于系统误差的是( )
A.
蒸馏水中含有微量被测物质
B.
标定盐酸溶液用的NaOH标准溶液吸收了二氧化碳
C.
标定NaOH用的 部分风化
D.
读取滴定管读数时，最后一位数字几次读数不一致
查看完整题目与答案
【简答题】A.Britain B.Italy C.Denmark D.Europe 17. A.how many boys do the housework B.who does the housework at home C.how many women do the housework D.who are more dit, wives or husbands 18. A.there were...
查看完整题目与答案
【简答题】A．How many men do the housework. B．Who does the housework at home. C．How many women do the housework. D．Who takes more responsibilities at home, wives or husbands.
查看完整题目与答案
【单选题】当风管与法兰采用点焊固定连接时，焊点应融合良好，间距不应大于（ ）mm；法兰与风管应紧贴，不应有穿透的缝隙或孔洞。
A.
80
B.
100
C.
120
D.
150
查看完整题目与答案
【单选题】1Kcal 相当于( ) Kg 水由 150C 升到 160C 时所需要的能量,
A.
1
B.
5
C.
10
D.
100
查看完整题目与答案
【单选题】下列情况引起的误差不属于系统误差的是( )
A.
称量时试样吸收了水分
B.
在滴定管读数时，最后一位估计不准
C.
以含量 98% 的碳酸钙为基准物标定 EDTA 溶液
D.
砝码受到了腐蚀
查看完整题目与答案
【单选题】A survey showed that the population in France ______ because many women didn't like to have a baby for some reason or other.
A.
has decreased
B.
had decreased
C.
decreases
D.
have decreased
查看完整题目与答案
【单选题】A 65-year-old slightly cyanotic man presents to his physician complaining of ruritus and nose bleeds. A blood test reveals a hematocrit of 62%, leading to the diagnosis of polycythemia vera. Treatment...
A.
Decreases cardiac output
B.
Increases arterial oxygen saturation
C.
Reduces blood velocity
D.
Reduces blood viscosity
查看完整题目与答案
【简答题】膨胀阀在汽车上的位置:文字表述+照片
查看完整题目与答案
相关题目：
【单选题】The house felt to me, as if I had been there before.
A.
strange
B.
familiar
C.
attractive
D.
unknown
查看完整题目与答案
【单选题】以下情况引起的误差不属于系统误差的是( )
A.
蒸馏水中含有微量被测物质
B.
标定盐酸溶液用的NaOH标准溶液吸收了二氧化碳
C.
标定NaOH用的 部分风化
D.
读取滴定管读数时，最后一位数字几次读数不一致
查看完整题目与答案
【简答题】A.Britain B.Italy C.Denmark D.Europe 17. A.how many boys do the housework B.who does the housework at home C.how many women do the housework D.who are more dit, wives or husbands 18. A.there were...
查看完整题目与答案
【简答题】A．How many men do the housework. B．Who does the housework at home. C．How many women do the housework. D．Who takes more responsibilities at home, wives or husbands.
查看完整题目与答案
【单选题】当风管与法兰采用点焊固定连接时，焊点应融合良好，间距不应大于（ ）mm；法兰与风管应紧贴，不应有穿透的缝隙或孔洞。
A.
80
B.
100
C.
120
D.
150
查看完整题目与答案
【单选题】1Kcal 相当于( ) Kg 水由 150C 升到 160C 时所需要的能量,
A.
1
B.
5
C.
10
D.
100
查看完整题目与答案
【单选题】下列情况引起的误差不属于系统误差的是( )
A.
称量时试样吸收了水分
B.
在滴定管读数时，最后一位估计不准
C.
以含量 98% 的碳酸钙为基准物标定 EDTA 溶液
D.
砝码受到了腐蚀
查看完整题目与答案
【单选题】A survey showed that the population in France ______ because many women didn't like to have a baby for some reason or other.
A.
has decreased
B.
had decreased
C.
decreases
D.
have decreased
查看完整题目与答案
【单选题】A 65-year-old slightly cyanotic man presents to his physician complaining of ruritus and nose bleeds. A blood test reveals a hematocrit of 62%, leading to the diagnosis of polycythemia vera. Treatment...
A.
Decreases cardiac output
B.
Increases arterial oxygen saturation
C.
Reduces blood velocity
D.
Reduces blood viscosity
查看完整题目与答案
【简答题】膨胀阀在汽车上的位置:文字表述+照片
查看完整题目与答案
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