【单选题】空燃比大于14.7的混合气为( )混合气
【判断题】Carmen quiere más carne
【简答题】A.Help him to write his speech. B.Edit his speech. C.Time his speech. D.Revise his speech.
【单选题】An 'off-hand speech' is______.
A.
a speech not longer than three minutes
B.
a speech without preparation
C.
a speech with a piece of paper in hand
D.
a speech which is well prepared
【单选题】空燃比大于14.7的混合气为( )混合气。
【简答题】举例说明一个确定性创意的形式逻辑思维的案例 要求:图文说明,文字不少于100字。
【判断题】理论上1kG汽油完全燃烧需要的空气质量是14.7kG,所以把空燃比为14.7的混合气叫理论混合气,空燃比大于14.7的混合气浓,小于14.7的混合气稀。