【判断题】柴油机冒黑烟还与柴油质量有关,为使着火性能良好,一般柴油机选用十六烷值为40~45的柴油为宜。若十六烷值超过65,则柴油蒸发性变差,致使燃烧不彻底,工作时也可能发生冒黑烟现象
【单选题】一般选用柴油机燃油的十六烷值为( )之间。
【单选题】I’m not _________ about food and I don’t care what I eat.
【单选题】—Doris, do you have anything in mind you’d like for breakfast? — is okay with me. I’m not partic
A.
—Doris, do you have anything in mind____you’d like for breakfast? —____is okay with me. I’m not particular about food. A.that; Anything
【单选题】I’m not particular ______ my clothes; I don’t mind what I wear.
【单选题】-Hello, I’m looking for a digital camera. -You can have a broad choice here. Are you looking for any particular brand? -_____. Which one is the best?
【单选题】George: You’re not looking very cheerful. __________? Joe: Oh, nothing in particular. I’m just a bit fed up. George: With your job? Joe: Yes, that ’s right.
D.
What’s the matter with you
【单选题】—Hello, I’m looking for a digital camera.—You can have a broad choice here. Are you looking for any particular brand? —______. Which one is the best?
【单选题】________ I’m __________ about the work. I’m not strong enough for it.
【单选题】在Word中,下述关于分栏操作的说法,正确的是【 】.