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【单选题】
关于汽车悬架,以下描述错误的是:
A.
悬架就是弹簧
B.
悬架能吸收颠簸
C.
悬架能改善乘坐舒适性
D.
悬架能稳定车身
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举一反三
【单选题】设函数 ,则下列说法正确的是 ( ).
A.
为 的可去间断点;
B.
在 至少有一个零点;
C.
为 的无穷间断点;
D.
为 的一个驻点.
查看完整题目与答案
【单选题】设函数【图片】，则下列说法正确的是（ ）
A.
若 在点 处偏导数存在，则在该点必连续；
B.
若 在点 处连续，则在该点偏导数必存在；
C.
在点 处偏导数存在性与连续性无关；
D.
其它三个选项均不正确。
查看完整题目与答案
【简答题】阅读理解。 One of the founding fathers of the internet has predicted the end of traditional television. Vint Serf, who helped to build the internet while working as a researcher in America, said that telev...
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【单选题】对某种产品按质量好坏分成：一等品、二等品、三等品和次品，这里所使用的数据尺度是（）。
A.
类别尺度
B.
顺序尺度
C.
等距尺度
D.
等比尺度
查看完整题目与答案
【单选题】设函数 满足微分方程 ,且 ,则对函数 的下列说法正确的是( ).
A.
在x 0 处取得极大值
B.
在x 0 的某邻域内单调增加
C.
在x 0 处取得极小值
D.
在x 0 的某邻域内单调减小
查看完整题目与答案
【单选题】The police station asks for public help because______.
A.
ordinary people like the television programme
B.
ordinary people are interested in pictures of paintings, jewellery, etc.
C.
the policemen can not catch the thieves themselves
D.
ordinary people may help the policemen get useful information about the criminals
查看完整题目与答案
【简答题】You change the channels for the fourth time and realize that once again there’s nothing on television that gets your attention. Not a problem! Throw on some running shoes and comfortable clothes and g...
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【单选题】The word media basically refers to ____ we commonly call newspapers, magazines, radios and televisions．
A.
which
B.
what
C.
why
D.
that
查看完整题目与答案
【单选题】B Good evening, ladies and gentlemen, I’m Roy , and this is my show. This is a television show for all families, and I know you’ll enjoy it. Let’s start with a story. Once there was a proud pig on a f...
A.
a family show on TV
B.
for kids only
C.
a sports show
查看完整题目与答案
【单选题】Which of the following is NOT advisable for you?
A.
Drinking water.
B.
Watching less television.
C.
Eating no breakfast.
D.
Eating more grains.
查看完整题目与答案
相关题目：
【单选题】设函数 ,则下列说法正确的是 ( ).
A.
为 的可去间断点;
B.
在 至少有一个零点;
C.
为 的无穷间断点;
D.
为 的一个驻点.
查看完整题目与答案
【单选题】设函数【图片】，则下列说法正确的是（ ）
A.
若 在点 处偏导数存在，则在该点必连续；
B.
若 在点 处连续，则在该点偏导数必存在；
C.
在点 处偏导数存在性与连续性无关；
D.
其它三个选项均不正确。
查看完整题目与答案
【简答题】阅读理解。 One of the founding fathers of the internet has predicted the end of traditional television. Vint Serf, who helped to build the internet while working as a researcher in America, said that telev...
查看完整题目与答案
【单选题】对某种产品按质量好坏分成：一等品、二等品、三等品和次品，这里所使用的数据尺度是（）。
A.
类别尺度
B.
顺序尺度
C.
等距尺度
D.
等比尺度
查看完整题目与答案
【单选题】设函数 满足微分方程 ,且 ,则对函数 的下列说法正确的是( ).
A.
在x 0 处取得极大值
B.
在x 0 的某邻域内单调增加
C.
在x 0 处取得极小值
D.
在x 0 的某邻域内单调减小
查看完整题目与答案
【单选题】The police station asks for public help because______.
A.
ordinary people like the television programme
B.
ordinary people are interested in pictures of paintings, jewellery, etc.
C.
the policemen can not catch the thieves themselves
D.
ordinary people may help the policemen get useful information about the criminals
查看完整题目与答案
【简答题】You change the channels for the fourth time and realize that once again there’s nothing on television that gets your attention. Not a problem! Throw on some running shoes and comfortable clothes and g...
查看完整题目与答案
【单选题】The word media basically refers to ____ we commonly call newspapers, magazines, radios and televisions．
A.
which
B.
what
C.
why
D.
that
查看完整题目与答案
【单选题】B Good evening, ladies and gentlemen, I’m Roy , and this is my show. This is a television show for all families, and I know you’ll enjoy it. Let’s start with a story. Once there was a proud pig on a f...
A.
a family show on TV
B.
for kids only
C.
a sports show
查看完整题目与答案
【单选题】Which of the following is NOT advisable for you?
A.
Drinking water.
B.
Watching less television.
C.
Eating no breakfast.
D.
Eating more grains.
查看完整题目与答案