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搜题
【单选题】
提取挥发油最常用的方法是A.
吸收法
B.
溶剂提取法
C.
水蒸气蒸馏法
D.
压榨法
E.
超临界流体萃取法
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举一反三
【简答题】front engine, front wheel drive
【单选题】With front drive arrangement or rear-wheel-drive arrangement, ______ transmit the power to the drive wheels.
A.
piston engine
B.
gears
C.
gears and shafts
D.
diesel engine
【单选题】Where is the position of the wheel dogs in a team?
A.
In the front of the team.
B.
Behind the lead dogs.
C.
In front of the sled.
D.
At the side of swing dogs.
【简答题】Once the car starts moving, which wheel will travel farther?A. The front wheel.B. The back wheel.1. Once the car starts moving, which wheel will travel farther? A. The front wheel. B. The back wheel. ...
【单选题】A front-wheel-drive vehicle ususally has a ( ).
A.
front-mounted engine driving the rear wheels.
B.
front-mounted engine driving all 4 wheels.
C.
rear-mounted engine driving the front wheels.
D.
front-mounted engine driving the front wheels.
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