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【单选题】
物流成本控制系统主要是通过物流技术的改善、物流管理水平的提高来实现物流过程的优化和物流成本的降低。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Why doesn't Mary want to give up her apartment?
A.
She will have trouble finding another one.
B.
She finds it in a very good location.
C.
Her landlord plans to lower its rent.
D.
She doesn't have time to move.
【单选题】Don't you think it's ______ waste of time to shut yourself in the room? Why not have ______ good time on the playground? [ ]
A.
a; a
B.
the; a
C.
a; /
D.
/; /
【单选题】I really don't know why he is always finding fault______ me.
A.
on
B.
of
C.
with
D.
about
【单选题】等渗性脱水的特点是（）
A.
细胞外液容量减少，渗透压降低
B.
细胞外液容量增多，渗透压降低
C.
细胞外液容量减少，渗透压升高
D.
细胞外液容量增多，渗透压降低
E.
细胞外液容量减少，渗透压正常
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