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【单选题】
帕累托效率是A.
在现实生活中很容易实现
B.
是指福利最大化
C.
等同于资源的高效率配置
D.
是一种理想状态的效率
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【多选题】健康传播的特点和规律包括（）
A.
健康传播对传播者有特殊的素质要求
B.
健康传播传递的是健康信息
C.
健康传播具有明确的目的性
D.
健康传播过程具有复合性
E.
健康传播不具有其他传播行为的基本特性
【单选题】听力原文： The flag, the most common symbol of a nation in the modem world, is also one of the most ancient. With a clear symbolic meaning, the flag in the traditional form. is still used today to mark bui...
A.
Development of the National Flag
B.
Power of the National Flag
C.
Types of Flags
D.
Uses of Flags
【单选题】At 18, Ashanthi DeSilva of suburban Cleveland is a living symbol of one of the great intellectual achievements of the 20th century. Born with an extremely rare and usually fatal disorder that left her...
A.
show the promise of gene-therapy
B.
give an example of modem treatment for fatal diseases
C.
introduce the achievement of Anderson and his team
D.
explain how gene-based treatment works
【单选题】听力原文： The flag, the most common symbol of a nation in the modern world, is also one of the most ancient. With a clear symbolic meaning, the flag in the traditional form. is still used today to mark bu...
A.
Development of the National Flag
B.
Power of the National Flag
C.
Types of Flags
D.
Uses of Flags
【单选题】At 18, Ashanthi DeSilva of suburban Cleveland is a living symbol of one of the great intellectual achievements of the 20th century. Born with an extremely rare and usually fatal disorder that left her...
A.
show the promise of gene-therapy
B.
give an example of modern treatment for fatal diseases
C.
introduce the achievement of Anderson and his team
D.
explain how gene-based treatment works
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