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.
A: Lift the seat until it is away from the track locks.
B: Lift seat so that it clears track locks.
A
举一反三
- isthe exiting track that turns away from the main route. A: diverging track B: straight track C: unning rail
- Press the _____________ button until it ___________ into place. A: emergency stop, opens B: emergency stop, locks C: emergency start, opens D: emergency start, locks
- If you're going to the airport by car, can you give me a ______ A: lift B: seat C: drive D: hand
- If you're going to the airport by car, could you give me a ____________? A: lift B: seat C: drive D: race
- 在移动控制杆之前请解锁。 A: Before you move the controls, disengage the locks. B: Before moving the controls, detach the locks.
内容
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The box is （）. A: too heavy that I cannot lift it B: too heavy for me to lift C: so heavy for me to lift D: too heavy for lifting
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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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已知事务T1的封锁序列为：LOCKS(A)…LOCKS(B)…LOCKX(C) …UNLOCK(B)…UNLOCK(A)…UNLOCK(C) 事务T2的封锁序列为：LOCKS(A)…UNLOCK(A)…LOCKS(B) …LOCKX(C)…UNLOCK(C)…UNLOCK(B) 则遵守两段封锁协议的事务是（ ）
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One reason the children treat Margot badly is because she... A: stays away from the jungle. B: locks children in closets. C: writes poetry about the rain. D: might get to return to Earth.
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Hewentintotheroomand_____thedoor. A: locking B: locks C: locked