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【单选题】
下列关于端午节起源不正确的说法是( )A.
纪念屈原说
B.
纪念伍子胥说
C.
纪念孝女说
D.
除尘洗浴说
E.
辟邪说
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【单选题】The 'question' in 'Germany's answer to the question matters not only to them. It will shape Europe, and therefore the world' (the third paragraph) refers to______.
A.
how to draw a lesson from the past of Germany
B.
what role should Germany play in the world
C.
what should be done to confront the global recession
D.
how to avoid the truculence and turmoil beyond Europe
【简答题】听下面一段对话, 回答第1-4题。 1. What does the woman work out for? A. Health. B Enjoyment. C. Good shape. 2. What does the man usually do? A. He plays baseball. B. He watches s on TV. C. He plays tennis w...
【单选题】下列关于铅蓄电池的说法正确的是 ( )
A.
在放电时，正极发生的反应是 Pb ＋ SO － 2e － == =PbSO 4
B.
在放电时，该电池的负极材料是铅板
C.
在充电时，电池中硫酸的浓度不断变小
D.
在充电时，阳极发生的反应是 PbSO 4 ＋ 2e － == =Pb ＋ SO
【单选题】关于铅蓄电池的说法正确的是（ ）
A.
充电时，阳极发生的反应是PbSO 4 （s）+2e - =Pb（s）+SO 4 2- （aq）
B.
充电时，电池中硫酸的浓度不断变小
C.
放电时该电池的负极材料是铅版
D.
放电时正极发生的反应是：Pb（s）+SO 4 2- （aq）=PbSO 4 （s）+2e -
【单选题】Shell plating that has curvature in two directions and must be heated and hammered to shape over specially prepared forms is called ().
A.
compound plate
B.
furnaced plate
C.
flat plate
D.
rolled plate
【单选题】指出如下Java代码的错误并解释原因,如何修改。 public abstract class Shap { public abstract double getArea(); } public class Square extends Shap{ private double height=0;// 正方形边长 public Square(double height) { super(); thi...
A.
没有错误
B.
去掉super();
C.
Triangle triangle2 =(Triangle) square; 修改为：Shap triangle2 =(Shap) square;
D.
不修改也没有错误。
【单选题】What contribution does Sterk make to responsive architecture?
A.
He makes archetypes of shape-changing building frames.
B.
He uses rods and wires to be the walls of a building.
C.
He does more for responsive architecture than Dr Skelton.
D.
He has invented the 'brain' to control building.
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