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【单选题】
大面积使用气体放电灯的场所，补偿电容器，功率因数不应低于（）。
A.
0.8
B.
0.85
C.
0.9
D.
0.95
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参考答案：
举一反三
【单选题】Mr. Holland has a profound influence on his students. Many of them become better people with his help. Does Mr. Holland have a profound influence on his own son, too?
A.
Yes, because his son becomes a teacher too. So Mr. Holland sets a good example for his son.
B.
No, because Mr. Holland spends too much time on his work, neglecting his son.
C.
No, because Mr. Holland seldom communicates with his son, which leads to some misunderstanding between them.
D.
No, because his son once called him an asshole.
查看完整题目与答案
【单选题】在与老年人沟通时，陪同工作人员要采用( )语言，不要有强势的态度和行为。
A.
柔和
B.
简单
C.
复杂
D.
干脆
查看完整题目与答案
【单选题】”去色”命令的作用是 ( )
A.
将灰度或彩色图像转换为较高对比度的黑白颜色
B.
去除图像中的饱和色彩，将图像变成灰度图像
C.
将色彩的色调数减少，制作出色调分离的特殊效果
D.
以上说法都不对
查看完整题目与答案
【单选题】下列关于扫描仪工作原理的叙述，正确的顺序是（ ）。① 获得点的灰度值或色彩编码值；②将纸介质的图转换为一个数字信息阵列；③将图像变成一个点阵图形；④存入计算机的文件中使用相关软件进行显示和处理。
A.
①②③④
B.
①③②④
C.
③②①④
D.
③①②④
查看完整题目与答案
【单选题】影响果蔬呼吸强度的因素有很多,但最主要的因素是
A.
贮藏方式
B.
气体成分
C.
温度
D.
D以上都是
查看完整题目与答案
【单选题】What relation is the woman to Mr. Cooper?
A.
His wife
B.
His boss．
C.
His secretary．
查看完整题目与答案
【单选题】Mr. Smith wants his children ______.
A.
to learn from Mr. Brown
B.
not to learn from Mr. Brown
C.
not to talk to Mr. Brown
查看完整题目与答案
【多选题】在“水墨画”案例中，对每个视频特效作用的描述正确的是（ ）
A.
“黑白”视频特效用来将彩色图像转换为灰度图像。
B.
“查找边缘”视频特效用来制作图像的边缘。
C.
“色阶”视频特效用来调整图像的亮度和对比度。
D.
“高斯模糊”视频特效用来制作图像的模糊效果。
查看完整题目与答案
【单选题】John was given the samesuitcase his father and grandfather ____ with them to school. 21
A.
took   
B.
had taken    
C.
weretaking    
D.
would take 21
查看完整题目与答案
【判断题】Mr. Thrun and his group members built the first car to ever return from a DRAMA Grand Challenge with new software.
A.
正确
B.
错误
查看完整题目与答案
相关题目：
【单选题】Mr. Holland has a profound influence on his students. Many of them become better people with his help. Does Mr. Holland have a profound influence on his own son, too?
A.
Yes, because his son becomes a teacher too. So Mr. Holland sets a good example for his son.
B.
No, because Mr. Holland spends too much time on his work, neglecting his son.
C.
No, because Mr. Holland seldom communicates with his son, which leads to some misunderstanding between them.
D.
No, because his son once called him an asshole.
查看完整题目与答案
【单选题】在与老年人沟通时，陪同工作人员要采用( )语言，不要有强势的态度和行为。
A.
柔和
B.
简单
C.
复杂
D.
干脆
查看完整题目与答案
【单选题】”去色”命令的作用是 ( )
A.
将灰度或彩色图像转换为较高对比度的黑白颜色
B.
去除图像中的饱和色彩，将图像变成灰度图像
C.
将色彩的色调数减少，制作出色调分离的特殊效果
D.
以上说法都不对
查看完整题目与答案
【单选题】下列关于扫描仪工作原理的叙述，正确的顺序是（ ）。① 获得点的灰度值或色彩编码值；②将纸介质的图转换为一个数字信息阵列；③将图像变成一个点阵图形；④存入计算机的文件中使用相关软件进行显示和处理。
A.
①②③④
B.
①③②④
C.
③②①④
D.
③①②④
查看完整题目与答案
【单选题】影响果蔬呼吸强度的因素有很多,但最主要的因素是
A.
贮藏方式
B.
气体成分
C.
温度
D.
D以上都是
查看完整题目与答案
【单选题】What relation is the woman to Mr. Cooper?
A.
His wife
B.
His boss．
C.
His secretary．
查看完整题目与答案
【单选题】Mr. Smith wants his children ______.
A.
to learn from Mr. Brown
B.
not to learn from Mr. Brown
C.
not to talk to Mr. Brown
查看完整题目与答案
【多选题】在“水墨画”案例中，对每个视频特效作用的描述正确的是（ ）
A.
“黑白”视频特效用来将彩色图像转换为灰度图像。
B.
“查找边缘”视频特效用来制作图像的边缘。
C.
“色阶”视频特效用来调整图像的亮度和对比度。
D.
“高斯模糊”视频特效用来制作图像的模糊效果。
查看完整题目与答案
【单选题】John was given the samesuitcase his father and grandfather ____ with them to school. 21
A.
took   
B.
had taken    
C.
weretaking    
D.
would take 21
查看完整题目与答案
【判断题】Mr. Thrun and his group members built the first car to ever return from a DRAMA Grand Challenge with new software.
A.
正确
B.
错误
查看完整题目与答案
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