67.In which of the following does the author of the passage reinforce his criticism of responses such as Isaacs' to Raisin¹ in the Sun？题干圈套
　　68.Inheritors of some of the　viewpoints of early twentieth-century Progressive historians such as Beard and Becker，these recent historians have put forward arguments that deserve evaluation².

　　作为二十世纪早期“进步派”史学家（如Beard和Becker）等人某些观点的继承者，这些近期的史学家所提出的观点值得我们予以评价。

　　69.Despite these vague categories，one should not claim unequivocally that hostility³ between recognizable classes cannot be legitimately⁴ observed.

　　尽管存在这些模糊范畴，但我们不应该断然声称，在各个易于辨认出的阶层之间所存在的敌对态度就无法被合理地观察到。

　　70.Yet those who stress the achievement of a general consensus⁵ among the colonists⁶ cannot fully⁷ understand that consensus without understanding the conflicts that had to be overcome or repressed in order to reach it.

　　然而，有些史学家强调在殖民者之间曾出现过一种普遍的一致意见。这些史学家如果不认识到各种矛盾的存在，就无法充分地理解这种一致意见，而所有那些矛盾只有在被克服或压制之后才有可能获得那种一致意见。

　　71.It can be inferred from the passage that the author would be most likely to agree with which of the following statements regarding socioeconomic class and support for the rebel and Loyalist causes during the American Revolutionary War？插入语多

　　72. Although it has been possible to infer from the goods and services actually produced what manufactures and servicing trades thought their customers wanted，only a study of relevant personal documents written by actual consumers will provide a precise picture of who wanted what.

　　尽管有可能从实际制造的商品和服务中可推知制造商和服务业认为他们的顾客所需要的是什么，但只有对由实际顾客撰写的相关的个人文件进行一番研究，方能提供一幅精确的图画，藉以说明“什么样的人”需要什么样的东西。