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【单选题】
患者,男性,70岁,患高血压冠心病经住院治疗病情好转出院出院病人床位处理错误的一项是
A.
撤去被服送洗
B.
被褥曝晒4h
C.
床桌用消毒液擦拭
D.
非一次性脸盆、痰杯消毒液浸泡消毒
E.
准备备用床
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举一反三
【单选题】关于自感现象,正确的说法是:( )
A.
感应电流一定和原电流方向相反
B.
线圈中产生的自感电动势较大的其自感系数一定较大
C.
自感电动势总是阻碍原来电流的变化
D.
对于同一线圈，当电流变化越大时，线圈中产生的自感电动势也越大
查看完整题目与答案
【单选题】关于自感现象下列说法中正确的是 。
A.
感应电流一定和原电流方向相反
B.
线圈的自感系数大，它的自感电动势一定大
C.
对于同一线圈，当电流变化较大时，产生的自感电动势也较大
D.
对于同一线圈，当电流变化较快时，产生的自感电动势也较大
查看完整题目与答案
【单选题】法拉第的保存在皇家学会的密封信,向我们展现出的是科学( )精神。
A.
创新
B.
协作
C.
探索
D.
求实
查看完整题目与答案
【单选题】Part B (10 points) You are going to read a text about the situation of the blacks in America, followed by a list of examples and explanations. Choose the best example or explanation from the list for ...
A.
It has been estimated that there are more than 20 million Americans in this category, 10% of the population, including many millions of whites.
B.
Blacks are gaining in self-confidence. In more and more areas they are winning control of their communities, and their standard of living is going up faster than that of the poor whites. It is still a hard struggle. There is still prejudice and even some hatred, but in most walks of American life there are now more blacks than ever before.
C.
The era of blatant discrimination ended in the 1960s through the courageous actions of thousands of blacks participating in peaceful marches and sit-ins, to force Southern states to implement the Federal desegregation laws in schools and public accommodations. Down came the 'whites only' notices in bused, hotels, trains, restaurants, sporting events, restrooms and on park benches that once could be found everywhere throughout the South. Gone were the restrictions that prevented blacks voting. Gone, too, were the hideous lynchings, which since the Civil War had caused the death of thousands of innocent blacks—hanged without trial by white mobs. However, even today, poor, uneducated lacks do not always receive the same degree of justice that the more affluent and better educated can expect.
D.
Many blacks chose to keep silent about their unfairness instead of resorting to violence. But their silence was also problem provoking: on the one hand, silence would build up a lot of complaints and hatred in their minds, thus resulting in a negative approach to lif
查看完整题目与答案
【单选题】下列哪一项不是经济发展进程中带来的健康问题
A.
职业病
B.
生物地球化学性疾病
C.
环境污染
D.
流动人口的增加
查看完整题目与答案
【判断题】采取直接收款的方式销售货物，不论货物是否发出，增值税纳税义务时间均为收到销售额或取得索取销售额的凭据并将提货单交给买方的当天。
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于自感现象,正确的说法是:
A.
感应电流一定和原电流方向相反；
B.
线圈中产生的自感电动势较大的其自感系数一定较大；
C.
对于同一线圈，当电流变化越大时，线圈中产生的自感电动势也越大；
D.
自感电动势总是阻碍原来电流变化的。
查看完整题目与答案
【单选题】Word程序启动后就自动打开一个名为的文档。
A.
Noname
B.
Untitled
C.
文件１
D.
文档１
查看完整题目与答案
【单选题】文本框Text1的MouseUp事件有如下代码: If Button=1 And Shift=1 Then Text1.Text= “大家好!” End If 其功能是( )。
A.
按下Ctrl键同时在文本框Text1上单击鼠标左键，则Text1上显示“大家好！”
B.
按下Shift键同时在文本框Text1上单击鼠标右键，则Text1上显示“大家好！”
C.
按下Shift键同时在文本框Text1上单击鼠标左键，则Text1上显示“大家好！”
D.
按下Ctrl键同时在文本框Text1上单击鼠标右键，则Text1上显示“大家好！”
查看完整题目与答案
【单选题】关于自感现象,正确的说法是( )
A.
自感电动势总是阻碍原来电流变化的
B.
感应电流一定和原来电流方向相反
C.
线圈中产生的自感电动势较大，它的自感系数也一定大
D.
对于同一线圈，电流变化越大时，产生的自感电动势也越大
查看完整题目与答案
相关题目：
【单选题】关于自感现象,正确的说法是:( )
A.
感应电流一定和原电流方向相反
B.
线圈中产生的自感电动势较大的其自感系数一定较大
C.
自感电动势总是阻碍原来电流的变化
D.
对于同一线圈，当电流变化越大时，线圈中产生的自感电动势也越大
查看完整题目与答案
【单选题】关于自感现象下列说法中正确的是 。
A.
感应电流一定和原电流方向相反
B.
线圈的自感系数大，它的自感电动势一定大
C.
对于同一线圈，当电流变化较大时，产生的自感电动势也较大
D.
对于同一线圈，当电流变化较快时，产生的自感电动势也较大
查看完整题目与答案
【单选题】法拉第的保存在皇家学会的密封信,向我们展现出的是科学( )精神。
A.
创新
B.
协作
C.
探索
D.
求实
查看完整题目与答案
【单选题】Part B (10 points) You are going to read a text about the situation of the blacks in America, followed by a list of examples and explanations. Choose the best example or explanation from the list for ...
A.
It has been estimated that there are more than 20 million Americans in this category, 10% of the population, including many millions of whites.
B.
Blacks are gaining in self-confidence. In more and more areas they are winning control of their communities, and their standard of living is going up faster than that of the poor whites. It is still a hard struggle. There is still prejudice and even some hatred, but in most walks of American life there are now more blacks than ever before.
C.
The era of blatant discrimination ended in the 1960s through the courageous actions of thousands of blacks participating in peaceful marches and sit-ins, to force Southern states to implement the Federal desegregation laws in schools and public accommodations. Down came the 'whites only' notices in bused, hotels, trains, restaurants, sporting events, restrooms and on park benches that once could be found everywhere throughout the South. Gone were the restrictions that prevented blacks voting. Gone, too, were the hideous lynchings, which since the Civil War had caused the death of thousands of innocent blacks—hanged without trial by white mobs. However, even today, poor, uneducated lacks do not always receive the same degree of justice that the more affluent and better educated can expect.
D.
Many blacks chose to keep silent about their unfairness instead of resorting to violence. But their silence was also problem provoking: on the one hand, silence would build up a lot of complaints and hatred in their minds, thus resulting in a negative approach to lif
查看完整题目与答案
【单选题】下列哪一项不是经济发展进程中带来的健康问题
A.
职业病
B.
生物地球化学性疾病
C.
环境污染
D.
流动人口的增加
查看完整题目与答案
【判断题】采取直接收款的方式销售货物，不论货物是否发出，增值税纳税义务时间均为收到销售额或取得索取销售额的凭据并将提货单交给买方的当天。
A.
正确
B.
错误
查看完整题目与答案
【单选题】关于自感现象,正确的说法是:
A.
感应电流一定和原电流方向相反；
B.
线圈中产生的自感电动势较大的其自感系数一定较大；
C.
对于同一线圈，当电流变化越大时，线圈中产生的自感电动势也越大；
D.
自感电动势总是阻碍原来电流变化的。
查看完整题目与答案
【单选题】Word程序启动后就自动打开一个名为的文档。
A.
Noname
B.
Untitled
C.
文件１
D.
文档１
查看完整题目与答案
【单选题】文本框Text1的MouseUp事件有如下代码: If Button=1 And Shift=1 Then Text1.Text= “大家好!” End If 其功能是( )。
A.
按下Ctrl键同时在文本框Text1上单击鼠标左键，则Text1上显示“大家好！”
B.
按下Shift键同时在文本框Text1上单击鼠标右键，则Text1上显示“大家好！”
C.
按下Shift键同时在文本框Text1上单击鼠标左键，则Text1上显示“大家好！”
D.
按下Ctrl键同时在文本框Text1上单击鼠标右键，则Text1上显示“大家好！”
查看完整题目与答案
【单选题】关于自感现象,正确的说法是( )
A.
自感电动势总是阻碍原来电流变化的
B.
感应电流一定和原来电流方向相反
C.
线圈中产生的自感电动势较大，它的自感系数也一定大
D.
对于同一线圈，电流变化越大时，产生的自感电动势也越大
查看完整题目与答案