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【单选题】
按照结构的浮渣程度及进化顺序,细胞可归并为两类,一是原核细胞,另一类是()?A.
原生细胞
B.
真核细胞
C.
单细胞
D.
多细胞
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举一反三
【单选题】We were able to () the error and have credited your account.
A.
track out
B.
track down
C.
track over
D.
track up
【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.
【单选题】I finally ___ the reference in a dictionary of quotations.
A.
track out
B.
track down
C.
track up
D.
trace down
【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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