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【判断题】
经退火后再高温回火后的钢,具有良好的综合力学性能。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】泵升电压是怎么产生的？对系统有何影响？如何抑制？
【单选题】A jeweler cut prices in his store by 20%. As a result:
A.
Its total revenue would fall by 20% if the elasticity of demand was zero.
B.
Its total revenue would fall, but by less than 20% if the elasticity of demand is greater than zero but less than one.
C.
Its total revenue would rise if the elasticity of demand is greater than one.
D.
All of the above would be true.
【简答题】在 Power Point2010 普通视图中,主要包括幻灯片和【 】两个选项卡。。xh17
【单选题】我国实施可持续发展的原因,不包括
A.
保护资源和环境,是改善我们约束条件的重要步骤
B.
我国人均资源非常稀缺,更加需要合理配置资源
C.
如果我们人均资源丰富,那么是没必要实施可持续发展的
D.
可以实现国民经济又好又快发展
【单选题】Suppose that Great Britain is a major export market for your firm, a U.S. based MNC . If the British pound depreciates against the U.S. dollar,
A.
Your firm will be able to charge more in dollar terms while keeping pound prices stable
B.
Your firm may be priced out of the U.K. market, to the extent that your dollar costs stay constant and your pound prices will rise.
C.
To protect U.K. market share, your firm may have to cut the dollar price of your goods to keep the pound price the same.
D.
b) and c) are both correct
【单选题】我国实施可持续发展的原因,不包括
A.
保护资源和环境,是改善我们约束条件的重要步骤
B.
我国人均资源非常稀缺,更加需要合理配置资源
C.
参与国际竞争的需要
D.
可以实现国民经济又好又快发展
【多选题】Photoshop中下面有关裁切工具的使用,描述正确的是:
A.
裁切工具可以按照你所设定的长度、宽度和分辨率来裁切图像
B.
裁切工具只能改变图像的大小
C.
裁切框是不可以旋转的
D.
要想取消裁切框，可以按键盘上的ESC键
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