【判断题】【消耗次数：1】
汽车行驶时空气阻力和滚动阻力在任何行驶条件下均存在。
①
正确
②
错误
参考答案：
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相关题目
【简答题】
汽车的行驶阻力可分为滚动阻力、[填空]、[填空]和坡道阻力。
【单选题】
汽车加速上坡行驶时，其行驶阻力包括（ )
①
滚动阻力，空气阻力，坡度阻力
②
滚动阻力，空气阻力，加速阻力
③
空气阻力，坡度阻力、加速阻力
④
滚动阻力、空气阻力、坡度阻力、加速阻力
【简答题】
汽车行驶的附着条件是[填空]。
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since
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whether
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when
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as long as
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The idea of winning the eyes of the people around ____ powerfully to some youngsters, so they are eagerly identifying themselves.
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defy
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expel
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The top of the Great Wall is _______ for five horses to go side by side.
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wide
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wide enough
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Charles regretted ______ the TV set last year. The price has now come down.
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buying
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I didn’t mean to do that. Please forgive me.____________
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Not too bad.
②
Never mind.
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It’s a pleasure.
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Thank you.
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①
they had arrived
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they would arrive
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had they arrived
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confirm
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①
what
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that
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_______ these honours he received a sum of money.
①
Besides
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③
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