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提问人:网友hexiaodong90 发布时间:2022-01-06
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What is spectrum efficiency for an M-ary linear digital modulation.

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第1题
What is the main idea of this passage?A.The contribution of Louise HayB.How to make an eff

What is the main idea of this passage?

A.The contribution of Louise Hay

B.How to make an effective treatment for doctors

C.Keep healthy with a high spirit

D.The connection between emotions and health

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第2题
Analysis of its spectrum can tell not only __________ atoms or molecules a substance is composed, but ___________ relative amounts they are present.

A.what…what

B.that…that

C.of what…in what

D.by that…at that

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第3题
What is the deep core of Shanghai Style?

A、Accepting the new

B、Covering a wide spectrum

C、Being humorous

D、Living a laid-back life

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第4题
What is the main idea of the passage?A.The trend of kids moving back home has negative eff

What is the main idea of the passage?

A.The trend of kids moving back home has negative effect to American culture.

B.The symptom of adult kids moving back home is extraordinary.

C.Back to the nest is by no means the precedent.

D.The family unit and individual independence are damaging in the society.

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第5题
According to the Shannon coding theorem in AWGN, what is the maximum spectrum efficiency for a given SNR value to realize transmission with arbibitraryly small BER? Given a spectrum efficiency value,
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第6题
What is the main subject of the conversation?A.The importance of pure waterB.Factors that

What is the main subject of the conversation?

A.The importance of pure water

B.Factors that affect the color of water

C.How the human eye perceives color

D.The colors of the light spectrum

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第7题
分析一下它的频谱,就不仅能知道某物质是由什么样的原子或分子构成的,而且也能知道它们是按什么样
的相对量而存在的。 Analysis of its spectrum can tell not only __________ atoms or molecules a substance is composed, but ___________ relative amounts they are present.

A.what…what

B.that…that

C.of what…in what

D.by that…at that

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第8题
分析一下它的频谱,就不仅能知道某物质是由什么样的原子或分子构成的,而且也能知道它们是按什么样的相对量而存在的。 Analysis of its spectrum can tell not only __________ atoms or molecules a substance is composed, but ___________ relative amounts they are pres

A.what…what

B.that…that

C.of what…in what

D.by that…at that

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第9题
【填空题】AV Clip 21: [图]AV 21 Autism _Awareness_ -...

【填空题】AV Clip 21:AV 21 Autism _Awareness_ - Ten Things You Should Know.mp4 Watch the video clip three times and complete the following passage by filling in each blank with the word from the video clip. Number four, ask very (1) ___________questions about things that we're interested in. For example, if somebody really loves airplanes, then you can ask them what is the biggest airplane that was ever made. Having very detailed questions about things we understand helps us to know where the conversation is going and makes it comfortable for us when talking to you. Number five, please don't get (2) ____________with us if we don't look at you or make eye contact. We most likely are giving you our (3) _________________, we just tend to not look at people who are talking to because it helps us to (4) ________________what we're hearing and saying. And the last thing that I want to share with you is that if you meet someone with an autism spectrum disorder, then you have met one person with an autism spectrum disorder. Autism spectrum disorders are very (5) _________________ and they affect people in many different ways. For example, one person might absolutely love surprises while the other person is (6) ______________________at surprises. The ten things that I talked about in this video are very informative and they apply to lots of people on the autism spectrum. But you have to remember that this is not an exhaustive list and it is (7) ___________________________. If somebody that you know has an autism spectrum disorder, I highly encourage you to do your research to talk to them to find out what makes them the way that they are and what you can do to help them feel more comfortable (8) ______________________________you. Because I think I can speak for a lot of us when I say, we really just want to be understood and I think that that's what autism awareness is all about. Thank you so much for watching and I hope that this video has helped you understand a little bit more about those of us with autism spectrum disorders.

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第10题
It has often been said that music is a global language. But the idea S1.______music can br

It has often been said that music is a global language. But the idea S1.______

music can bring cultures closer together by transporting listeners to a-

common realm seems somehow unusual. That is of course, unless you are S2.______

unfamiliar with the new genre(流派,风格)of music called "world music". S3.______

What is world music? Giving the great diversity in category and style, S4.______

it is not surprising there is little agreement on exact what constitutes this S5.______

genre. It could be traditional music such like Afro-Caribbean rhythms, Cel- S6.______

tic fiddles, and reggae.

It includes Gregorian chants, Aborigine didgeridoo, or Tajikistani pop,

Salsa, samba, or Johnny Clegg and Savuka. Some musicologists argue that

all music are world music. After all, rock-and-roll traces back to Africa. S7.______

Record store employees, on other hand, will direct you to a specific section. S8.______

And the Billboard charts seem to define world music by artists who have

put a pop spin on traditional music.

Robert Browning, artistic director of the World Music Institute in New

York, describes world-music on a spectrum of music genres. At one end of

the spectrum you have classical or traditional "roots" music. On the other

hand, you have music that is a mix of sounds and instruments, more S9.______

often composed of Western artists. S10.______

【S1】

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