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【单选题】
It's ten after three.A.
三点过十分了。
B.
十点零三分了。
C.
这是十点多了。
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【单选题】How can we reduce the moment of inertia?
A.
raise transmision stiffness
B.
choose the best transmission ratio
C.
use transmission parts with low friction
D.
eliminate the clearance of transmission chain
【多选题】How can we reduce the unbalance hydraulic radial force on the gear shafts for gear pump?
A.
Enlarge the area of the outlet port
B.
Reduce the area of the outlet port
C.
Reduce the area of the inlet port
D.
Set balancing grooves
【简答题】How can we reduce the quantity demanded for cigarettes?
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【单选题】How can we reduce the amount of carbon we use up? ( )
A.
Drive gas-guzzling vehicles.
B.
Take aeroplanes to go on holiday.
C.
Buy locally grown food.
D.
Take public transport.
【单选题】How can we reduce the amount of carbon we use up? ( )
A.
Drive gas-guzzling vehicles.
B.
Take aeroplanes to go on holiday.
C.
Buy locally grown or produced food.
D.
Drive cars as much as possible.
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