an oily water separator
a purifier
a centrifugal compressor
a clarifier
第1题：
A centrifuge arranged to separate two liquids is known as
A.an oily water separator
B.a purifier
C.a centrifugal compressor
D.a clarifier
第2题：
The separation of impurities and water from ______is essential for good combustion of diesel engines.
A.lube oil
B.fuel oil
C.turbine oil
D.grease
第3题：
(A)arranged to
(B) arranged of
(C) arranged in
(D) arranged with
正确答案：D
解答参考：D词组搭配arrange for sb to do sth安排sb做sth【译文】他们安排由最好的医生来给她做手术。
第4题：
内联函数的正确定义是（）
第5题：
第6题：
A.Routers facilitate communications within a broadcast domain.
B.Routers facilitate communications between broadcast domains.
C.Routers are used to break up broadcast domains into separate networks.
D.Routers are used to connect small broadcast domains and form larger more efficient broadcast domains
第7题：
When a clarifier is running the impurities and water collect at the bowl _____.
A.center
B.periphery
C.inlet
D.upper parts
第8题：
A.It can be applied to separate two liquids
B.It cannot separate solids which contaminated in the oil.
C.It consists of purifier and clarifier
D.The centrifuge arranged to separate two liquids is known as purifier
第9题：
第10题：
What are two ways with which a small business can keep a wireless business separate and secure from a wireless guest access network？ （）