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【单选题】
分为酸式和碱式两种，酸式滴定管主要用于滴定液是酸性溶液、氧化还原溶液和稀盐溶液的容量分析中;碱式滴定管主要用于滴定液是碱性溶液的容量分析中。A.
定量瓶
B.
烧杯
C.
滴定管
D.
量筒
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举一反三
【单选题】When you read, don't________every new word in the dictionary. Try to guess its meaning.
A.
lookup
B.
work out
C.
makeup
D.
give up
【单选题】The new bindings include all EXCEPT that______.
A.
stakeholder determines manager's salary through voting
B.
members of board are banned from internal deal
C.
board members are not allowed to contact with other companies
D.
the amount of retirement money should be voted and announced
【单选题】I _________ a new pen. Lucy and Lily _________ two new pens, too. [ ]
A.
have, has
B.
have, have
C.
has, has
D.
has, have
【单选题】New stakeholder pensions will _______ to give all workers a retirement pension they can live on.
A.
plan
B.
aim
C.
way
D.
approach
【单选题】The new felt-tip pens, multiple-cartridge pens, and quills offered by Ruben Delgado are examples of ________.
A.
product line filling
B.
multibranding
C.
megabranding
D.
product line inconsistencies
E.
co-branding
【单选题】图示单口网络相量模型的等效阻抗等于 。
A.
(3+j4) Ω
B.
(0.33-j0.25) Ω
C.
(1.92+j1.44) Ω
D.
(0.12+j0.16) Ω
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