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【单选题】
“在高职生集体生活中,性格合不来的就不交往,合得来的就交往”,你认为正确A.
法是 ( )
B.
应该这样
C.
都要加强交流与沟通
D.
不和自己交往就不理
E.
自己
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【单选题】I_______a doctor now if I had studied medical science in my youth.
A.
were
B.
should be
C.
had been
D.
should have been
【单选题】The youth should _____ knowledge thus be well-prepared for their future.
A.
depict
B.
turn around
C.
took place
D.
be armed with
【简答题】硫酸流经由大小管组成的串联管路,硫酸密度为 1830 kg /m 3 ,体积流量为 5.0×10 -3 m 3 /s ,大小管尺寸分别为 Φ 76mm ×4mm 和 Φ 57mm ×3.5 mm ,硫酸在大管中的质量流量是() kg/s 、平均流速是() m/s 及质量流速是() kg/m 2 • s ; 小管中的 质量流量是() kg/s 、平均流速是() m/s 及质量流速是() kg/m ...
【单选题】I know a little bit about the city as I __________ there for one year in my youth.
A.
am studying
B.
had studied
C.
studied
D.
have studied
【简答题】Knowledge in youth is wisdom in age.
【单选题】I wanted to buy a copy of The Youth, but there was left in the bookshop．
A.
no one
B.
something
C.
anyone
D.
None
【简答题】硫酸流经由大小管组成的串联管路,硫酸相对密度为 1.83×10 3 kg/m 3 ,体积流量为 150L/min ,大小管尺寸分别为 Φ 57×3.5mm 和 Φ 76×4mm ,试分别求硫酸在 (1) 小管中的质量流量、平均流速、质量流速。 (2) 大管中的质量流量、平均流速、质量流速。
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