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【多选题】
CIF &CIP的主要区别在于()A.
交货地点不同
B.
风险转移界限不同
C.
适用范围不同
D.
投保涉及的险种不同
E.
进口清关手续，前者由卖方承担，或者由卖方承担
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反馈参考答案：
举一反三
【单选题】指尖陀螺是目前很流行的一种玩具,该玩具中间是轴承内有滚珠,边上有三个用密度较大的金属制作的飞叶,拨动飞叶后,飞叶可以绕轴在指尖上长时间转动(如图)。下列分析错误的是( )
A.
飞叶转速变慢，惯性不变
B.
轴承内有滚珠，利于减小摩擦
C.
飞叶被拨动后旋转是因为力能改变物体的运动状态
D.
陀螺对指尖的压力和指尖对陀螺的支持力是一对平衡力
【单选题】Which of the following is NOT true according to the passage?
A.
Thomas Edison invented more than one thousand things in his life.
B.
Thomas Edison mostly taught himself, although his mother also taught him some things.
C.
Thomas Edison invented a vote recorder and turned out to be a great success.
D.
Thomas Edison always worked for a long time and even forgot to sleep and eat.
【单选题】The main idea of this passage is ______.
A.
Thomas Edison was always interested in science and inventions, and he invented many important things
B.
Thomas Edison could not keep a job
C.
Thomas Edison worked day and night on his experiments
D.
Deaf people make good inventors because they can focus without the distraction of spoken conversation
【单选题】患者男性，有不洁性交史，1个月后外生殖器出现丘疹状硬结而就诊，检查发现其硬结呈圆形，基底清楚，边缘隆起，质硬，有无痛性溃疡。初步怀疑为梅毒螺旋体感染。下列梅毒血清学方法中，属于密螺旋体抗原试验的是（）
A.
VDRL
B.
RPR
C.
USR
D.
ART
E.
MHA-TP
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