It can be inferred from the passage that the "prevailing dogma"(line 14)held that
A. Jim Crow laws were passed to give legal status to well-established discriminatory practices in the South.
B. Jim Crow laws were passed to establish order and uniformity in the discriminatory practices of different southern states.
C. Jim Crow laws were passed to erase the social gains that Black people had achieved since Reconstruction.
D. the continuity of racial segregation in the South was disrupted by passage of Jim Crow laws.
E. the Jim Crow laws of the late nineteenth and early twentieth centuries were passed to reverse the effect of earlier Jim Crow laws.
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Which of the following best describes the organization of the first paragraph？
A thesis is presented and supporting examples are provided.
B. Opposing views are presented, classified, and then reconciled.
C. A fact is stated, and an explanation is advanced and then refuted.
D. A theory is proposed, considered, and then amended.
E. An opinion is presented, qualified, and then reaffirmed.
Which of the following can be inferred from the passage about the Native American inhabitants of Ungava Bay？
A. They were almost all killed by the 1952 epidemic.
B. They were immunologically defenseless against measles.
C. They were the last native people to be struck by a virgin-soil epidemic.
D. They did not come into frequent contact with white Americans until the twentieth century.
E. They had been inoculated against measles.
下列何者不是可持续能源的基本特征？
A. 洁净
B. 廉价
C. 安全
D. 永久性
下列关于“模数制”的叙述何者不正确()。
A. 选定的尺寸单位为模数
B. 模数协调中选用的基本尺寸单位为基本模数
C. 标志尺寸减去缝隙为构造尺寸
D. 基本模数的数值为300mm
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