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【单选题】
The U.S. ranks_____in the world in the total value of its economic production.A.
second
B.
first
C.
third
D.
fourth
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举一反三
【简答题】测量常用的坐标系有哪些?
【简答题】A．Women are under more stress than men. B．Women have more heart attacks than men. C．Women get less care than men do. D．Women have less serious heart attacks than men.
【单选题】A great difference between men and women is that ______.
A.
women have two chromosomes but men have only one
B.
women have two cell lines but men have only one
C.
women can choose from two chromosomes but men cannot
D.
women can choose from two cells but men cannot
【单选题】Men have tried to limit possibilities for women by .
A.
it difficult for women to move
B.
using heavy wire apparatus to catch women
C.
allowing only women from upper classes to move around freely
D.
insisting that women are inferior to men
【单选题】What is the main argument men have raised against women?
A.
Women are lack of cold reasoning.
B.
They depend on intuition too much.
C.
They are unreliable and irrational.
D.
They are too still look down upon women.
【单选题】下列依据实验目的所设计的实验操作中，正确的是 选项 实验目的 实验操作
A.
检验二氧化碳 将二氧化碳通入紫色石蕊溶液中
B.
鉴别氮气和二氧化碳 将燃着木条伸入瓶中
C.
除去暖瓶中的水垢 向暖瓶中加入食醋
D.
析出食盐晶体 冷却热的饱和食盐溶液
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