词汇与结构Situation awareness, or SA, is the ______of environmental elements within a volume of time and space, the understanding of their meaning, and the projection of their status in the near future.
perception
举一反三
- To ______environmental protection, clean power will be developed more rapidly in the near future.(promote / prevent)
- ———is a prefix meaning “before” in space, time, condition.
- It’s high time the government _________ some measures to raise people’s awareness of environmental protection.
- Advertising employees only verbal elements to fill specific space and time formats.
- What are the elements of a minutes heading? A: time B: space C: chairman D: present
内容
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In present the following description may be the best explanation of time: Time is the sequence of the irreversible events, time goes in a completely determined order. The arrow of time points to the future from the past. The future can become the past but the past can never become the future.
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词汇与结构 many airlines promote by_____only within their own company.
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词汇与结构The EFIS displays all information regarding the aircraft's situation, position and ______.
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词汇与结构 An ______ in any one of the vital elements affects the purpose of the whole weight and balance system.
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2. (The cultivation of environmental awareness / The cultivation of green chemistry) is a long-term and effective way to solve environmental problems.