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【单选题】
在研究流体运动时,按照是否考虑粘滞性,可将流动分为( )A.
牛顿流体流动的非牛顿流体流动
B.
可压缩流体流动和不可压缩流体流动
C.
均匀流动和非均匀流动
D.
理想流体流动和实际流体流动
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【单选题】听力原文：M: I need to talk to someone who knows a lot about Portland. Someone said you lived there. W: Oh, but I was really young at the time. Q: What does the woman imply? (16)
A.
She doesn't remember much about Portland.
B.
She's never been to Portland.
C.
She knows someone else who could help him.
D.
She'd be happy to talk to the man later.
【单选题】听力原文：M: I need to talk to someone who knows a lot about Portland. Someone said you lived there. W: Oh, but I was really young at the time. What does the woman imply?
A.
She doesn't remember much about Portland.
B.
She's never been to Portland.
C.
She knows someone else who could help him.
D.
She'd be happy to talk to the man later.
【简答题】回答第19题。
【单选题】通电延时型时间继电器，它的动作情况是()
A.
线圈通电时触点延时动作，断电时触点瞬时动作
B.
线圈通电时触点不动作，断电时触点瞬时动作
C.
线圈通电时触点瞬时动作，断电时触点延时动作
D.
线圈通电时触点不动作，断电时触点延时动作
【单选题】听力原文：M：Excuse me，could you tell me how to find the Registration Office? Someone told me it was on this floor but it doesn't seem to be． W：Maybe you should try someone outside．I'm not the best one to a...
A.
She isn't sure about where things are on campus.
B.
The man should not ask the registration office.
C.
The registration is outside of the building.
D.
The people outside are very good to ask.
【多选题】根据税法的规定，下列哪几项可以免征个人所得税（）。
A.
市级人民政府颁发的科学教育、技术、文化、卫生、体育、环境保护等方面的奖金
B.
国债和国家发行的金融债券利息
C.
按照国家统一规定发给干部、职工的安家费、退职费、退休工资、离休工资、离休生活补助费
D.
个人取得的教育储蓄存款利息所得
E.
个人取得的股票红利
【单选题】After ten years of living in a remote village, she is a completely different person from _____ she used to be.
A.
that
B.
whom
C.
what
D.
who
【单选题】They have been living under the most appalling conditions for two years.
A.
dreadful
B.
bad
C.
unpleasant
D.
poor
【简答题】设a=1, b=2, c=3,写出下列关系表达式的值 (1)(a(a=c 。 以上4题答案请写在一行,中间;隔开,例如:1;1;1;1
【单选题】I'm sure someone will agree to give up ________ opportunity.
A.
someone's
B.
their
C.
his
D.
her
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