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本课程起止时间为:2020-03-04到2020-07-24
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Unit 1 Understanding Hacking Drones Quiz 1

1、 问题:Which is not considered to be the three main communication links?
选项:
A:The incoming navigation signal from GPS satellites 
B:One or more signals to notify other aircrafts 
C:A two-way link 
D:A wireless tether
答案: 【A wireless tether

2、 问题:Which is the correct explanation of “Achilles’ Heel” in this passage?
选项:
A:The name of one part of body 
B:A deadly weakness or vulnerable point 
C:A name of a character in a story  
D:A mistake made by human being 
答案: 【A deadly weakness or vulnerable point 

3、 问题:What is the solution for the small drone to stay out of the way of other aircraft?
选项:
A:GPS system 
B:Automatic Dependent Surveillance—Broadcast 
C:Spoofing
D:Inertial guidance sensors
答案: 【Automatic Dependent Surveillance—Broadcast 

4、 问题:Which is not the harm of spoofing to the drone?
选项:
A:Threating a GPS system 
B:Jamming the signal from drone 
C:Blocking reception of its navigation signals 
D:Causing a pilot to die
答案: 【Causing a pilot to die

5、 问题: Compared to civil GPS, what is the serious problem of ADS-B to the drone?
选项:
A:It is expensive to access to 
B: Its transmissions are not authenticated 
C:It is hard to control 
D: It is rarely used
答案: 【 Its transmissions are not authenticated 

6、 问题:To maneuver a drone up, down, sideways or forward require three main communication links . Please match the name of the feature with the sentence.
选项:
A: Passive voice 
B:Nominalization 
C:Non-finite forms of verbs
D:None of the above
答案: 【Non-finite forms of verbs

7、 问题:It was only saved from crashing by an operator who was poised to override the spoofing commands. Please match the name of the feature with the sentence.
选项:
A: Passive voice 
B:Nominalization 
C:Non-finite forms of verbs
D:None of the above
答案: 【 Passive voice 

8、 问题: By trying to adjust its location aloft based on erroneous data, the drone actually started to head directly toward the desert floor. Please match the name of the feature with the sentence.
选项:
A:Passive voice
B:Nominalization 
C:Non-finite forms of verbs
D:None of the above
答案: 【Non-finite forms of verbs

9、 问题: Staying out of the way of other aircraft is especially challenging for small drones. Please match the name of the feature with the sentence.
选项:
A:Passive voice
B:Nominalization 
C:Non-finite forms of verbs
D:None of the above
答案: 【Non-finite forms of verbs

10、 问题:The possibility of a midair crash between a drone and another aircraft will further complicated acceptance of drones. Please match the name of the feature with the sentence.
选项:
A:Passive voice 
B: Nominalization 
C:Non-finite forms of verbs
D:None of the above
答案: 【 Nominalization 

11、 问题:Which of the following IS LEAST possibly the purpose of making a presentation?
选项:
A: To inform the audience of a fact 
B:To train the audience 
C:To persuade the audience in order to sell some certain products 
D:To show off the speaker’s competency to the audience
答案: 【To show off the speaker’s competency to the audience

12、 问题:The main structure of a presentation usually includes __.
选项:
A:An introduction, a main body, and a conclusion 
B:An exposition, an analysis, and a summary 
C:A beginning part, a middle part, and a summary
D:A suspense, a rising part, and a climax
答案: 【An introduction, a main body, and a conclusion 

13、 问题:Which of the following is the most important content in the beginning part of a presentation?
选项:
A:A joke to bridge the gap between the speaker and the audience 
B: Some shocking facts to arouse the audience’s interest 
C:Thesis statement to state clearly the topic of the presentation 
D:Outline of the presentation
答案: 【Thesis statement to state clearly the topic of the presentation 

14、 问题:Which of the following is not suggested when giving a presentation?
选项:
A:Use examples
B:Use preaching method 
C:Use visual aids 
D:Use statistics and diagrams
答案: 【Use preaching method 

15、 问题:What can the speaker do to attract the audience?
选项:
A: Avoid eye contact
B:Talk to the screen 
C:Try his best to be humorous 
D:Use movements and gestures
答案: 【Use movements and gestures

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