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【单选题】
The emergency communication set’s transmitter should not be tested except when（）by a public radio inspector.A.
inspecting
B.
inspected
C.
inspects
D.
having inspected
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【单选题】Which of the following notions is NOT mentioned?
A.
Developing a 'savings bank' of one's organs.
B.
Breeding soldiers for a war.
C.
Producing people with cow-like stomachs.
D.
Using genetic forecasting to Cure diseases.
【单选题】Which of the following notions is NOT mentioned?
A.
Developing a 'savings bank' of one's organs.
B.
Breeding soldiers for a war.
C.
Producing people with cow-like stomachs.
D.
Using genetic forecasting to cure diseases.
【单选题】. —Why are you so frightened? —I saw two dark _______ enter the building.
A.
shades
B.
appearances
C.
shadows
D.
figures
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