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【单选题】
汽车等速百公里燃油消耗量( )A.
与行驶阻力、燃油消耗率和传动效率成正比
B.
与行驶阻力、燃油消耗率成正比,传动效率反比
C.
与行驶阻力、传动效率成正比,燃油消耗率反比
D.
与燃油消耗率、传动效率正比,行驶阻力反比
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反馈参考答案：
举一反三
【单选题】can be differentiated by a number of factors: the position of tongue in the mouth, the openness of the mouth, the shape of the lips, and the length of the vowels.
A.
Vowel sounds
B.
Consonant sounds
C.
Voicing sounds
D.
Devoicing sounds
【单选题】The roof of the mouth, or the upper surface inside the mouth, is called
A.
the ridge
B.
the tract
C.
the palate
【简答题】该批货物运费总额为
【单选题】The first paragraph mentions three ways of activating the saliva in the mouth.
A.
Right
B.
Wrong
C.
Not mentioned
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