A: diverging track
B: straight track
C: unning rail
举一反三
- isthe exiting track that continues straight. A: diverging track B: point blade C: straight track
- isthe place where the track changes from straight to curved. A: transition B: lateral stress C: derail
- 抬起座椅，直到它离开轨道锁。 A: Lift the seat until it is away from the track locks. B: Lift seat so that it clears track locks.
- Attach the track to the channels with the ____. A: Attach the track to the channels with the bolts. B: Bolt track to channels.
- It is difficult to ______ all the new ideas and developments in education. A: be on the track of B: make tracks C: cover the track of D: keep track of
内容
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The figures show that our economy is healthy and we are _______ to achieve sustainable and balanced (平衡的) growth. A: in track B: on track C: by track
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support / lay A Rail companies________________ new track to create new routes. A: support / B: lay
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7. Precision Approach Radar (PAR) is used by air traffic controllers to keep track of airplanes far away from the airport.
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Read the job description. Then, choose the correct answers.What isthe main idea of the passage? A: The typesof repair equipment that workers use. B: What knowledge and skills are needed by workers. C: Why Pacific Rail requires track maintenance. D: A description of tamping and lining procedures.
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dedicated line A: a track for exclusive use B: a track already being used