71. Open acknowledgement of the existence of women’s oppression was too radical for the United Stated in the fifties, and Beauvoir’s conclusion, that change in women’s economic condition , though insufficient by itself , “remains the basic factor ” in improving women’s situation , was particularly unacceptable.
72. Other theorists propose that the Moon was ripped out of the Earth’s rocky mantle by the Earth’s collision with another large celestial body after much of the Earth’s iron fell to its core.
73. However, recent scholarship has strongly suggested that those aspects of early New England culture that seem to have been most distinctly Puritan, such as the strong religious orientation and the communal impulse, were not even typical of New England as a whole, but were largely confined to the two colonies of Massachusetts and Connecticut.
74. Thus，what in contrast to the Puritan colonies appears to Davis to be peculiarly Southern- acquisitiveness，a strong interest in politics and the law，and a tendency to cultivate metropolitan cultural models-was not only more typically English than the cultural patterns exhibited by Puritan Massachusetts and Connecticut，but also almost certainly characteristic of most other early modern British colonies from Barbados north to Rhode Island and New Hampshire.
75. Portrayals of the folk of Mecklenburg County, North Carolina, whom he remembers from early childhood, of the jazz musicians and tenement roofs of his Harlem days, of Pittsburgh steelworkers, and his reconstruction of classical Greek myths in the guise of the ancient Black kingdom of Benin, attest to this.
一些描述，关于他从小就记得的北卡罗来纳州的M县的人民、关于他在H的日子里的爵士乐手和公寓的房顶、关于匹兹堡的钢铁工人的描述和他的假借古代B国对古希腊神话得宠俗，都表现了这一点。In the guise of :”假借、在…的幌子下，假装”。
76. A very specialized feeding adaptation in zooplankton is that of the tadpole-like appendicularian who lives in a walnut-sized (or smaller) balloon of mucus equipped with filters that capture and concentrate phytoplankton.
77. These historians，however，have analyzed less fully the development of specifically feminist ideas and activities during the same period.
78. Apparently most massive stars manage to lose sufficient material that their masses drop below the critical value of 1.4 M before they exhaust their nuclear fuel.
显然，大多数的巨星能够失去足够多的物质以至于在燃尽其核燃料以前他们的质量下降到关键值1.4M以下。难在：sufficient …that… = so much (many ) … that…
79. This is so even though armed forces operate in an ethos of institutional change oriented toward occupational equality and under the federal sanction of equal pay for equal work.
80. An impact (on the Mars) capable of ejecting a fragment of the Martian surface into an Earth-intersecting orbit is even less probable than such an event on the Moon, in view of the Moon’s smaller size and closer proximity to Earth.