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【单选题】
不可压缩均质流体在管道中流动,断面面积大处流速( ),反之亦然。
A.
B.
小但管道必须水平放置
C.
D.
大但管道必须水平放置
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【单选题】--_____________________________________? --We can stay in a hotel, a youth hostel, or a homestay.
A.
What can we do there?
B.
Where shall we stay?
C.
Where shall we go?
D.
How can we go there?
【单选题】筋加工弯曲 30 ° , 其每个弯曲量度差值为 () 倍的钢筋直径。
A.
0.35
B.
0.5
C.
0.85
D.
2
【单选题】Michelle Stevens 4121 Moss St. St. Petersburg, FL 59340 Dear Valued Banking Customer: We here at Florida National Bank have always promised to put you and your banking needs first. Now, we are happy t...
A.
has facilitated
B.
will facilitate
C.
facilitating
D.
had been facilitating
【单选题】We knew we were getting close to the park    we started seeing the tiger right next to the road.
A.
when  
B.
before 
C.
while  
D.
until
【单选题】The homestay___we stayed was both cheap and comfortable.
A.
at  which
B.
wherever
C.
which
D.
in that
【判断题】透镜式色灯信号机构的颜色取决于内透镜,可根据需要选用。
A.
正确
B.
错误
【单选题】钢筋加工弯曲30°,其每个弯曲差值为( A )倍的钢筋直径
A.
0.35
B.
0.5
C.
0.85
D.
2
【单选题】We go to the Great Wall _____________ February 1st. [     ]
A.
on
B.
in
C.
at
【单选题】We are very lucky to live in the . [     ]
A.
21 centuries
B.
21st centuries
C.
21 century
D.
21st century
【单选题】Responsibilities at home and work _____ his time.
A.
burden
B.
promise
C.
eat into
D.
cram
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