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【简答题】
避免汽阻断流的措施可以从设计和_______________上考虑。
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【单选题】Your flight begins boarding _____ Gate 18 _____ 2:15
A.
at / at
B.
in/at
C.
from/at
D.
for/in
【单选题】听力原文：A heater is using convection when it warms the air in a room. And the air in turn warms the people and objects in the room. A hot water radiator, a stove and forced air furnace are all convection...
A.
It heats only the objects in a room.
B.
It is lighter in weight.
C.
It heats the room quicker.
D.
It is more common.
【简答题】Let me_____________(引导)you to your boarding gate.
【单选题】Which of the following is true about using air carriers as a transportation mode when shipping products?
A.
Air carriers are the most cost-effective way to ship non-perishable goods over short distances.
B.
Air carriers are the slowest and least reliable modes of transport.
C.
Air carriers provide in-transit services such as the processing of goods en route.
D.
Air carriers are ideal when time is short and speed is needed.
【单选题】Flight BA 123 to Vienna is now boarding at_______.
A.
Gate 21
B.
21St Gate
C.
the Gate 21
D.
21 Gate
【简答题】The flight number and boarding gate are indicated on your tickets.
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