【单选题】¿_____________vas a cocinar: pescado o carne?
【简答题】由键盘输入一行字符,分别统计输入字符中数字字符、字母字符及其他字符的个数。
【单选题】Which kind of speech is unprepared speech?
【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
【判断题】A Kasper no le gusta la carne
【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。