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【单选题】
Consumers are concerned about the changes in the package size, mainly because ______.A.
they hate to see any changes in things they are familiar with
B.
the unit price for a product often rises as a result
C.
they have to pay for the cost of changing package sizes
D.
this entails an increase in the cost of packaging
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举一反三
【单选题】What is the news item mainly about?
A.
French President calls for an international consensus to allow France to sell India peacetime nuclear technology.
B.
French President calls for an international consensus to allow France to sell India nuclear weapons.
C.
French President has paid a visit to New Delhi recently.
D.
French President shows his support for the military nuclear programs in India.
【单选题】Mars has ____ for the past century by sticking to what it calls the Five Principles.
A.
thrive
B.
flourish
C.
thrived
D.
prosperous
【单选题】苯巴比妥急性中毒时，为加速其从肾排泄，可采取的措施是
A.
静脉滴注0.9%氯化钠溶液
B.
静脉滴注碳酸氢钠溶液
C.
静脉滴注5%葡萄糖溶液
D.
静脉滴注低分子右旋糖酐
E.
静脉滴注甘露醇
【单选题】美国经济学家奥肯著名的“漏桶实验”发现,从富人那里征税补贴给穷人,穷人实际得到的,比富人失去的要少。这是因为,这一做法会引起效率的损失,带来社会财富的减少。这启示我们
A.
再分配要处理好效率与公平的关系
B.
初次分配中要坚持效率优先的原则
C.
劳动报酬要与劳动生产率同步增长
D.
要提高居民收入在国民收入中的比重
【多选题】在图示的桁架结构中,可以降低 1 号杆横截面应力的措施是 ( )。
A.
增加 ① 号杆的弹性模量
B.
增加 ① 号杆的横截面积
C.
增加 ① 号杆的长度
D.
减小 ② 号杆的弹性模量
E.
减小 ② 号杆的横截面积
F.
减小 ② 号杆的长度
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