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【单选题】
设函数f(x)在区间上连续,若曲线y=f(x)总位于其任意一点的切线的上方,则称曲线在该区间上是
A.
凹的
B.
凸的
C.
无法判断
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参考答案：
举一反三
【单选题】肾在体为骨,其华在()
A.
面
B.
唇
C.
毛
D.
发
查看完整题目与答案
【单选题】which of the following is wrong when welcoming a business partner?
A.
Using proper body language
B.
Being rude
C.
Being considerate
D.
Showing respect
查看完整题目与答案
【判断题】湖南水利职院教学楼工程人工挖沟槽土方属于分部工程
A.
正确
B.
错误
查看完整题目与答案
【单选题】理解语文教材的三个层面:课程层面、教学层面和( )
A.
文学层面
B.
文章层面
C.
文化层面
D.
语言层面
查看完整题目与答案
【判断题】在大型娱乐场所,地陪要提醒游客不要走散,随时注意游客的动向与周围的环境,了解出口位置,以便发生意外情况能及时带领游客撤离。
A.
正确
B.
错误
查看完整题目与答案
【单选题】When you are the seller,which following rule is wrong when dealing with a complaint: ( )
A.
If the complaint is justified, you have to admit it readily, express your regret and promise to put matters right.
B.
If the complaint is not justified, point this out politely and in an agreeable manner.
C.
If you cannot deal with a complaint promptly, acknowledge it at once. Explain that you are looking into it and that you will send a full reply later.
D.
All complaints should be treated as unimportant matters.
查看完整题目与答案
【单选题】A1图纸的大小等于几张A3的?
A.
2
B.
4
C.
6
D.
9
查看完整题目与答案
【多选题】专题要素的表示方法中,既能表示专题要素质量特征、又能表示专题要素数量特征为主的方法有()
A.
定点符号法
B.
线状符号法
C.
运动线法
D.
分区统计图表法
查看完整题目与答案
【单选题】Which of the following is wrong when clothes catch fire during the experiment?
A.
Nearby personnel used fire blankets to cover their bodies
B.
Take medical treatment if necessary
C.
When the back is on fire, you can roll on the spot to extinguish the flame, or use an emergency spray nearby
D.
Run outside for help
查看完整题目与答案
【单选题】采得100g未知生物样品,测得每克样品中含有氮元素0.03g,该生物样品中蛋白质的含量为
A.
3g
B.
18.75g
C.
16g
D.
62.5g
E.
30g
查看完整题目与答案
相关题目：
【单选题】肾在体为骨,其华在()
A.
面
B.
唇
C.
毛
D.
发
查看完整题目与答案
【单选题】which of the following is wrong when welcoming a business partner?
A.
Using proper body language
B.
Being rude
C.
Being considerate
D.
Showing respect
查看完整题目与答案
【判断题】湖南水利职院教学楼工程人工挖沟槽土方属于分部工程
A.
正确
B.
错误
查看完整题目与答案
【单选题】理解语文教材的三个层面:课程层面、教学层面和( )
A.
文学层面
B.
文章层面
C.
文化层面
D.
语言层面
查看完整题目与答案
【判断题】在大型娱乐场所,地陪要提醒游客不要走散,随时注意游客的动向与周围的环境,了解出口位置,以便发生意外情况能及时带领游客撤离。
A.
正确
B.
错误
查看完整题目与答案
【单选题】When you are the seller,which following rule is wrong when dealing with a complaint: ( )
A.
If the complaint is justified, you have to admit it readily, express your regret and promise to put matters right.
B.
If the complaint is not justified, point this out politely and in an agreeable manner.
C.
If you cannot deal with a complaint promptly, acknowledge it at once. Explain that you are looking into it and that you will send a full reply later.
D.
All complaints should be treated as unimportant matters.
查看完整题目与答案
【单选题】A1图纸的大小等于几张A3的?
A.
2
B.
4
C.
6
D.
9
查看完整题目与答案
【多选题】专题要素的表示方法中,既能表示专题要素质量特征、又能表示专题要素数量特征为主的方法有()
A.
定点符号法
B.
线状符号法
C.
运动线法
D.
分区统计图表法
查看完整题目与答案
【单选题】Which of the following is wrong when clothes catch fire during the experiment?
A.
Nearby personnel used fire blankets to cover their bodies
B.
Take medical treatment if necessary
C.
When the back is on fire, you can roll on the spot to extinguish the flame, or use an emergency spray nearby
D.
Run outside for help
查看完整题目与答案
【单选题】采得100g未知生物样品,测得每克样品中含有氮元素0.03g,该生物样品中蛋白质的含量为
A.
3g
B.
18.75g
C.
16g
D.
62.5g
E.
30g
查看完整题目与答案
参考解析：
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