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澳大利亚
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VIC
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小型汽车
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a0053
(119/170) You are driving on a road where the speed limit is 110 km/h. How can you reduce the amount of fuel you use?
Drive at a steady speed of 110 km/h.
Drive at a steady speed of 90 km/h.
Regularly alternate between speeds of 90 km/h and 110 km/h.
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