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【多选题】
跨境电商选品的步骤包括( )A.
研究行业动态
B.
挖掘分析产品数据
C.
产品定位
D.
学习跨境电商理论
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【单选题】请在第__（47）__处填上正确答案。 查看材料
A.
Another distinction between science and technology has to do with the progress in each.
B.
Unlike science，progress in technology must be measured in terms of the human factor.
C.
What scientists discover may shock or anger people——as did Darwin’S theory of evolution.
D.
Science and technology are different.
E.
We are all familiar with the improper use of technology.
F.
Science is a method of answering theoretical questions;technology is a method of solving practical problems.
【单选题】With increasing prosperity, West European youth is having a fling that is creating distinctive consumer and cultural patterns. The result has been the increasing emergence in Europe of that phenomenon...
A.
has never been clearly distinguished from the adult market
B.
is exceptionally easy to predict
C.
has long been under the scrutiny of consumer investigators
D.
is responsible for a larger percentage of consumption than was true a few years ago
【单选题】【单选】一般船舶采用“尾先离”时，有关船尾摆出角度的操作下列哪项正确？
A.
吹开风时，船尾摆出角度应增大
B.
吹拢风时，船尾摆出角度应减小
C.
流速较大时，船尾摆出角度应增大
D.
流速较小时，船尾摆出角度应增大
【多选题】分段器与重合器的最主要区别是（ ）。
A.
分段器没有短路开断能力
B.
分段器能隔离线路故障
C.
分段器能分荷电流
D.
分段器只根据“记忆”的过电流脉动次数动作
E.
分段器自身具有控制和保护功能
【简答题】根据有关法律和进出口贸易的规定取得许可，专门保管国外进口而暂未纳税的的仓库称() A港口仓库 B公共仓库 C保税仓库 D营业仓库
【单选题】请在第__（49）__处填上正确答案。 查看材料
A.
Another distinction between science and technology has to do with the progress in each.
B.
Unlike science，progress in technology must be measured in terms of the human factor.
C.
What scientists discover may shock or anger people——as did Darwin’S theory of evolution.
D.
Science and technology are different.
E.
We are all familiar with the improper use of technology.
F.
Science is a method of answering theoretical questions;technology is a method of solving practical problems.
【简答题】引导礼仪的总原则是 。
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