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【判断题】
完全竞争市场的参与者都只能接受价格,而不能影响价格。( )A.
正确
B.
错误
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【单选题】What difference does it make if we read texts displayed on a computer screen instead of on paper printed with ink? The computer certainly does not guarantee deeper comprehension, greater subtlety of m...
A.
The deficiencies of the library in providing information.
B.
The different applications of the computer and the library.
C.
The advantages and disadvantages of the computer and library.
D.
The advantages of the computer in search of information.
【单选题】What difference does it make if we read texts displayed on a computer screen instead of on paper printed with ink? The computer certainly does not guarantee deeper comprehension, greater subtlety of m...
A.
The deficiencies of the library in providing information.
B.
The different applications of the computer and the library.
C.
The advantages and disadvantages of the computer and library.
D.
The advantages of the computer in search of information.
【简答题】“蛋白精”三聚氰胺是08年中“宠物事件”和“三鹿奶粉”事件的罪魁祸首．三聚氰胺分子式为C 3 N 3 （NH 2 ） 3 ，又名氰尿酰胺，俗称蜜胺，为无色、白色晶体，这与蛋白粉相仿． 国际上使用最多的饲料蛋白质含量检测办法为“凯氏定氮法”，即测定受检饲料中氮所占的比例，再乘以一定系数得到蛋白质含量．蛋白质主要由氨基酸组成，其含氮量一般不超过30%，而三聚氰胺的含氮量比氨基酸要高得多，因此三聚氰胺就...
【单选题】What difference does it make if we read texts displayed on a computer screen instead of on paper printed with ink? The computer certainly does not guarantee deeper comprehension, greater subtlety of m...
A.
The deficiencies of the library in providing information.
B.
The different applications of the computer and the library.
C.
The advantages and disadvantages of the computer and library.
D.
The advantages of the computer in search of information.
【单选题】音乐教学的质量如何主要取决于教学内容的组织。通常，应该根据实际情况采取不同的组织形式。不属于教学内容组织形式的是（）。
A.
教师情感的倾注
B.
课堂有序的引导
C.
妙趣横生的活动
D.
抽象的演示
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