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【判断题】
蜗轮蜗杆传动摩擦产生的发热量较大,所以要求工作时有良好的润滑条件。
A.
正确
B.
错误
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【单选题】单选 —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?
A.
Not any more
B.
Not really
C.
Not necessarily
D.
Not always
【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
A.
正确
B.
错误
【单选题】一般选用柴油机燃油的十六烷值为( )之间。
A.
0-20
B.
40-60
C.
80-100
【单选题】I’m not _________ about food and I don’t care what I eat.
A.
particular
B.
secular
C.
spectacular
D.
circular
【简答题】实体集之间的联系有三种,分别是 、 、 。
【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?
A.
Not really
B.
Not anymore
C.
Not always
D.
Not necessarily
【单选题】---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
B.
which; Everything
C.
what; Nothing
D.
whether; Something
【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.
A.
Are you OK
B.
Are you feeling well
C.
How are you
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?
A.
Not really
B.
Not necessarily
C.
Not always
D.
Not any more
【单选题】________ I’m __________ about the work. I’m not strong enough for it.
A.
since…bored
B.
however… exhausted
C.
Not that… particular
D.
Now that…tired
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