燃料燃烧实际释放出的总热量与燃料所能释放的总热量之比称为()。
A.循环热效率
B.空燃比
C.燃烧效率
D.比热
参考答案:C
I have never fallen for this kind of trick. Even though you didn’t lie, it didn’t mean you were ______.
A.completely honesty
B.altogether innocent
C.all together right
D.together sincere
从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性()
A.选项A
B.选项B
C.选项C
D.选项D