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【单选题】
安放滤线栅板，使用时应注意的问题不包括（）
A.
使用期间焦面一定朝向X线管方向
B.
使用时X线管焦点应置于滤线栅铅条的会聚线上
C.
距离改变不小于栅板半径的25％
D.
用滤线栅较其他摄影时，要适当增加曝光条件
E.
使用时，滤线栅板要吸收部分射线
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皮皮学刷刷变学霸
举一反三
【单选题】Susie's reaction to father's decision was that ______.
A.
she could not understand law at all
B.
she disobeyed father from the very beginning
C.
she obeyed faterh at first but gradually changed her interest to music
D.
she hated law from the very beginning
查看完整题目与答案
【多选题】移动通信的特点有()
A.
存在电波衰落现象。
B.
干扰比较大。
C.
存在多普勒效应。
D.
存在远近效应。
查看完整题目与答案
【单选题】X服从参数λ=1的泊松分布,Y服从B(4,0.8),已知D(X+Y)=2.6,则
A.
0.4
B.
0.5
C.
0.6
D.
0.7
查看完整题目与答案
【判断题】员工援助计划(EAP)是一种对员工提供经济帮助的困难补助计划。
A.
正确
B.
错误
查看完整题目与答案
【单选题】设随机变量X与Y相互独立，它们分别服从参数λ=2的泊松分布与指数分布．记Z=X-2Y，则随机变量Z的数学期望与方差分别等于（）．
A.
1，3
B.
-2，4
C.
1，4
D.
-2，6
查看完整题目与答案
【单选题】在存款人违反账户管理制度的处罚中，存款人的法定代表人或主要负责人、存款人地址以及其他开户资料的变更事项未在规定期限内通知银行的，给予警告并处以（ ）元的罚款。
A.
1000
B.
2000
C.
3000
D.
4000
查看完整题目与答案
【单选题】Susie's reaction to father's decision was that( ).
A.
She could not understand law at all
B.
She disobeyed father from the very beginning
C.
She obeyed father at first but gradually changed her interest to music
D.
She hated law from the very beginning
查看完整题目与答案
【单选题】对于NaCl 的重吸收,下列不正确的是
A.
近端小管前半段钠离子是主动重吸收
B.
近端小管后半段，钠离子是被动重吸收
C.
近端小管后半段，钠离子的重吸收先于氯离子的重吸收
D.
髓袢升支粗段氯化钠的重吸收是通过钠-钾-氯 同向转运体所转运
查看完整题目与答案
【单选题】Susie's reaction to father's decision was that _____.
A.
p6-2-A
B.
p6-2-B
C.
p6-2-C
D.
p6-2-D
查看完整题目与答案
【单选题】Susie's reaction to father's decision was that ______.
A.
she could not understand law at all
B.
she disobeyed father from the very beginning
C.
she obeyed father at first but gradually changed her interest to music
D.
she hated law from the very beginning
查看完整题目与答案
相关题目：
【单选题】Susie's reaction to father's decision was that ______.
A.
she could not understand law at all
B.
she disobeyed father from the very beginning
C.
she obeyed faterh at first but gradually changed her interest to music
D.
she hated law from the very beginning
查看完整题目与答案
【多选题】移动通信的特点有()
A.
存在电波衰落现象。
B.
干扰比较大。
C.
存在多普勒效应。
D.
存在远近效应。
查看完整题目与答案
【单选题】X服从参数λ=1的泊松分布,Y服从B(4,0.8),已知D(X+Y)=2.6,则
A.
0.4
B.
0.5
C.
0.6
D.
0.7
查看完整题目与答案
【判断题】员工援助计划(EAP)是一种对员工提供经济帮助的困难补助计划。
A.
正确
B.
错误
查看完整题目与答案
【单选题】设随机变量X与Y相互独立，它们分别服从参数λ=2的泊松分布与指数分布．记Z=X-2Y，则随机变量Z的数学期望与方差分别等于（）．
A.
1，3
B.
-2，4
C.
1，4
D.
-2，6
查看完整题目与答案
【单选题】在存款人违反账户管理制度的处罚中，存款人的法定代表人或主要负责人、存款人地址以及其他开户资料的变更事项未在规定期限内通知银行的，给予警告并处以（ ）元的罚款。
A.
1000
B.
2000
C.
3000
D.
4000
查看完整题目与答案
【单选题】Susie's reaction to father's decision was that( ).
A.
She could not understand law at all
B.
She disobeyed father from the very beginning
C.
She obeyed father at first but gradually changed her interest to music
D.
She hated law from the very beginning
查看完整题目与答案
【单选题】对于NaCl 的重吸收,下列不正确的是
A.
近端小管前半段钠离子是主动重吸收
B.
近端小管后半段，钠离子是被动重吸收
C.
近端小管后半段，钠离子的重吸收先于氯离子的重吸收
D.
髓袢升支粗段氯化钠的重吸收是通过钠-钾-氯 同向转运体所转运
查看完整题目与答案
【单选题】Susie's reaction to father's decision was that _____.
A.
p6-2-A
B.
p6-2-B
C.
p6-2-C
D.
p6-2-D
查看完整题目与答案
【单选题】Susie's reaction to father's decision was that ______.
A.
she could not understand law at all
B.
she disobeyed father from the very beginning
C.
she obeyed father at first but gradually changed her interest to music
D.
she hated law from the very beginning
查看完整题目与答案