【单选题】Lesson 22 短听力选择 3 听一遍,选择正确答案
D.
Due outboard engine problem
【单选题】Lesson 22 短听力选择 2 听一遍,选择正确答案
【单选题】Lesson 23 短听力选择-4
A.
Descending immediately
B.
Coming back for landing
C.
Making priority landing
【简答题】数据交换有哪几种方式?试着从信道利用率和实时性两方面比较它们的性能。
【单选题】lesson 24 短听力选择-1
B.
Land at the departure airport
D.
Hold at the present position
【单选题】Lesson 23 短听力选择-5
A.
F oreign object ingestion
【单选题】Lesson 7 短听力选择 2 听一遍,选择正确答案
A.
An aircraft mistakenly blocked his way.
B.
ChinaSouthern1347 taxied to a wrong way.
C.
Boeing747 encountered gear problem.
D.
An unreported vehicle was on the Taxiway B
【单选题】Lesson 7 短听力选择 3 听一遍,选择正确答案
A.
No .2 engine was overheating.
B.
The temperature of brakes was over limitation.
C.
Fire warning light illuminated.
D.
They had a flat tyre on the nose gear.
【单选题】lesson 23 短听力选择 1-1
A.
fire men and fire truck
B.
passenger steps and coaches