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【单选题】
假定某商品的价格从3元降低2元，需求量从8个单位增加到11个单位，则该商品卖者的总收益将( )。A.
保持不变
B.
减少
C.
增加
D.
不确定
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【单选题】如图所示，各溢流阀的调定压力分别为PY1=3Mpa，PY2=2Mpa，PY3=4Mpa，判断系统中的最大调定压力值。【图片】
A.
3Mpa
B.
4Mpa
C.
2Mpa
D.
9MPa
【单选题】I went along thinking of nothing ________, only looking at things around me,
A.
in particular
B.
in harmony
C.
in doubt
D.
in brief
【简答题】图示 3 个回路中各溢流阀的调定压力分别为1 P Y1 =3MPa, 2 P Y2 =2MPa , 3 P Y3 =4MPa ,问在外负载无穷大时,泵的出口压力 p p 各为多少?
【判断题】Planning early may not only help you stay on track but also allow you to spread out the work.
A.
正确
B.
错误
【单选题】An additional option is finding a partner to help you stay on track and find pleasure in the administration of your own financial affairs.
A.
Another choice is to find a partner to deal with your financial management for you , so that you can get pleasure from it.
B.
Another choice is to find a partner to manage your business for you, and he also can get pleasure from doing so.
C.
Another choice is to find a partner who can help you stay in the right direction of your own financial management and get pleasure from doing it.
【简答题】Stay Clear of Tracks
【单选题】I _____ along the street looking for a place to park when the accident _____. [ ]
A.
went; was occurring
B.
went; occurred
C.
was going; occurred
D.
was going; had occurred
【简答题】A．to track hurricanes and issue warnings B．to avoid confusion C．to stay at home D．to be given to tropical storms E．to make predictions F．to kill at least 15 people 第 24 题 Over a million people were wa...
【单选题】We get so wrapped up in _____ activities that it's tough to stay on track sometimes.
A.
indifferent
B.
mundane
C.
original
D.
sophisticated
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