题目内容

How did the old man respond to Rossetti s negative comment?

A. He was angry and desperate.
B. He was surprised and disappointed.
C. He was discouraged, but took it calmly.
D. He was hurt, but could do nothing about it.

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B. 起飞后发生紧急情况时放掉过多燃油,以便能够返场或到备降场着陆
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D. 以上都对

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两国进行贸易时,贸易条件等于较小国家贸易前的现行国内价格比()
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参考答案:错误

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