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4、CBTC 系统轨旁设备的核心是区域控制器。

A. 对
B. 错

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5、车载ATC系统，设置3套独立的ATP子系统。

A. 对
B. 错

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Put the sentences in the recording into Chinese. (听录音，把听到的句子翻译成中文。)[音频]

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Put the scramble words into sentence.（将下列的词连成句子。）1. may, your ,I，have , name, please?2. confirm, I , would , to , like, my , reservation3. may, know, flight , I , your, number4. thank, you, calling, confirm, for , to5. you, travelling, in, class, are, first, is , right, that?

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Helping students to have a better understanding of greenhouse gases and their impact on the temperature of the earth is urgent . (Meadows , 1999)

A. Give definitions of key term and concepts
B. Describe a phenomenon incident/event to claim topic centrality
C. Justify the rationale of the study
D. Review existing literature (studies, theories, findings, examples and explanations)
E. Give examples or evidence
F. Indicate the problem or the research gap
G. Introduce and justify the methods (approaches, tools) and data analysis
H. Compare findings with those of previous research
I. Offer explanations for findings
J. Provide evidence/literature for the argument
K. Indicate the implication /application for further work

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4、CBTC 系统轨旁设备的核心是区域控制器。

A. 对 B. 错

5、车载ATC系统，设置3套独立的ATP子系统。

Put the sentences in the recording into Chinese. (听录音，把听到的句子翻译成中文。)[音频]

Helping students to have a better understanding of greenhouse gases and their impact on the temperature of the earth is urgent . (Meadows , 1999)

A. 对
B. 错