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【多选题】
区间[-1,1]上的函数 是
A.
n次的切比雪夫正交多项式
B.
n次的切比雪夫正交多项式，在区间[-1,1]上共有n个根，分别为 .
C.
n次的切比雪夫正交多项式，其首项 的系数为 .
D.
n次的切比雪夫正交多项式，该多项式的绝对值在[-1,1]上的最大值是所有首项系数为 的多项式中最小的。
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【多选题】Please decide whether the following statements are advantages or disadvantages of studying abroad, and put them into the right column. Advantages:
A.
Opportunity to see the world
B.
A better understanding and appreciation for other nations’ people and history
C.
Do not have friends and family beside
D.
Opportunity to experience many new activities and build up new interests
E.
Language barriers and culture shock
F.
Chance to experience different styles of education
G.
Studying abroad is Expensive
H.
Credits may not transfer
I.
Home country health insurance may not cover abroad
J.
Opportunity to study a foreign language
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①②③④
B.
④③②①
C.
②④①③
D.
②④③①
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【多选题】某地陪接待的一个外国旅游团到达饭店时已近中午,在安排他们人住后,该地陪就带领他们到餐厅用餐。其中一位来自阿拉伯国家的游客闻到菜肴中的味道不对,便起身离开。该地陪连忙上前询问,得知其中的缘由。在这种情况下,该地陪应该()
A.
请领队协调
B.
劝说其将就一下
C.
带其去零点餐厅点菜
D.
带其去附近餐馆用餐
E.
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【单选题】下列文字少数民族文字中,属于斯拉夫字母体系的有( )。
A.
傣文
B.
俄文
C.
满文
D.
锡伯文
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【多选题】Please decide whether the following statements are advantages or disadvantages of studying abroad, and put them into the right column. Disadvantages:
A.
Opportunity to see the world
B.
A better understanding and appreciation for other nations’ people and history
C.
Do not have friends and family beside
D.
Opportunity to experience many new activities and build up new interests
E.
Language barriers and culture shock
F.
Chance to experience different styles of education
G.
Studying abroad is Expensive
H.
Credits may not transfer
I.
Home country health insurance may not cover abroad
J.
Opportunity to study a foreign language
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Can limit learning and create a dependency
B.
Computers help you work faster
C.
Computers can answer almost any question
D.
Too much sitting
E.
Resolve problems and questions faster
F.
Short attention span and too much multitasking
G.
Learning about computers can help you find a job
H.
Computers can save and make you money
I.
Increases waste and impacts the environment
J.
Trolls, abuse, stalking, and exploitation
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【单选题】下列少数民族文字中,属于斯拉夫字母体系的有( )。
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傣文
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【多选题】Please decide whether the following statements are advantages or disadvantages of studying abroad, and put them into the right column.:Disadvantages
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Can limit learning and create a dependency
B.
Computers help you work faster
C.
Computers can answer almost any question
D.
Too much sitting
E.
Resolve problems and questions faster
F.
Short attention span and too much multitasking
G.
Learning about computers can help you find a job
H.
Computers can save and make you money
I.
Increases waste and impacts the environment
J.
Trolls, abuse, stalking, and exploitation
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相关题目：
【多选题】Please decide whether the following statements are advantages or disadvantages of studying abroad, and put them into the right column. Advantages:
A.
Opportunity to see the world
B.
A better understanding and appreciation for other nations’ people and history
C.
Do not have friends and family beside
D.
Opportunity to experience many new activities and build up new interests
E.
Language barriers and culture shock
F.
Chance to experience different styles of education
G.
Studying abroad is Expensive
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Credits may not transfer
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Home country health insurance may not cover abroad
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Opportunity to study a foreign language
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A.
①②③④
B.
④③②①
C.
②④①③
D.
②④③①
查看完整题目与答案
【多选题】某地陪接待的一个外国旅游团到达饭店时已近中午,在安排他们人住后,该地陪就带领他们到餐厅用餐。其中一位来自阿拉伯国家的游客闻到菜肴中的味道不对,便起身离开。该地陪连忙上前询问,得知其中的缘由。在这种情况下,该地陪应该()
A.
请领队协调
B.
劝说其将就一下
C.
带其去零点餐厅点菜
D.
带其去附近餐馆用餐
E.
告知费用自理
查看完整题目与答案
【单选题】下列文字少数民族文字中,属于斯拉夫字母体系的有( )。
A.
傣文
B.
俄文
C.
满文
D.
锡伯文
查看完整题目与答案
【多选题】Please decide whether the following statements are advantages or disadvantages of studying abroad, and put them into the right column. Disadvantages:
A.
Opportunity to see the world
B.
A better understanding and appreciation for other nations’ people and history
C.
Do not have friends and family beside
D.
Opportunity to experience many new activities and build up new interests
E.
Language barriers and culture shock
F.
Chance to experience different styles of education
G.
Studying abroad is Expensive
H.
Credits may not transfer
I.
Home country health insurance may not cover abroad
J.
Opportunity to study a foreign language
查看完整题目与答案
【多选题】Please decide whether the following statements are advantages or disadvantages of studying abroad, and put them into the right column.:Advantages
A.
Can limit learning and create a dependency
B.
Computers help you work faster
C.
Computers can answer almost any question
D.
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E.
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F.
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G.
Learning about computers can help you find a job
H.
Computers can save and make you money
I.
Increases waste and impacts the environment
J.
Trolls, abuse, stalking, and exploitation
查看完整题目与答案
【简答题】Can you summarize the working procedure of changing tickets? Following are some common steps for changing tickets. Please put them into right order. 1. Greeting 2. Asking for help 3.Ending the dialogu...
查看完整题目与答案
【单选题】下列少数民族文字中,属于斯拉夫字母体系的有( )。
A.
傣文
B.
俄文
C.
满文
D.
锡伯文
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【简答题】The paragraghs are in the wrong order. Please put them into the correct order and write down your answers in numbers. For example,if you think 21345 is the correct order, please write down the answer ...
查看完整题目与答案
【多选题】Please decide whether the following statements are advantages or disadvantages of studying abroad, and put them into the right column.:Disadvantages
A.
Can limit learning and create a dependency
B.
Computers help you work faster
C.
Computers can answer almost any question
D.
Too much sitting
E.
Resolve problems and questions faster
F.
Short attention span and too much multitasking
G.
Learning about computers can help you find a job
H.
Computers can save and make you money
I.
Increases waste and impacts the environment
J.
Trolls, abuse, stalking, and exploitation
查看完整题目与答案