题目内容

Lesson 22 model exchanges-H

A. The landing gear collapses
B. The tyres blow out
C. The tug breaks down
D. The towbar is broken.

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A. Frozen ruts and ridges
B. Snow and ice
C. Standing water
D. A lot of debris

A. Flaps setting problem.
B. Landing gear problem.
C. Engine problem
D. Fuel problem

A. Ground mechanic
B. Follow-me-car
C. Towing tractor
D. Man and equipment

A. Because it slided off the taxiway.
Because it overran the taxiway.
C. Because it lost hydraulic power
D. Because it went out of control