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【简答题】
欲利用重力沉降室捕集粒径为40um,密度为2000kg/m3的粒子。假定气流速度和沉降室的长度
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举一反三
【单选题】An assistant in a bookshop should come up to help you______.
A.
as soon as you have entered a shop
B.
just before you finish browsing
C.
only when you have finished browsing
D.
when he leads you to a particular section.
【简答题】PHP中对字符串数据进行自动转义的函数是 ,对自动转义的字符串进行还原的函数是 。
【简答题】日本大阪关西国际机场的三字代码是（ ）。
【单选题】I would rather()two weeks earlier.
A.
you should come here
B.
you came here
C.
you had come here
【单选题】If you come across a bear, you should not run away at the first moment.
A.
Y
B.
N
C.
NG
【单选题】During the nineteen years of this career, France Battiate has won the ______ of a wide audience outside Italy.
A.
enjoyment
B.
appreciation
C.
evaluation
D.
reputation
【单选题】Some questions may come to you during the interview, but you can and should make good preparations ________.
A.
by design
B.
in advance
C.
in person
D.
by chance
【单选题】. You should remember the cause and avoid it the next time you __________ the same situation.
A.
come out
B.
come about
C.
come up
D.
come across
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