OG大全疑惑题目求解！

63.   After July, anyone
disposing of or servicing refrigerators must capture the
chlorofluorocarbons in the refrigerant chemicals.

(A)
anyone disposing of or servicing

(B) those who
dispose or service

(C) anyone
disposing of or who services

(D) the disposal
or repair of（A）

(E) someone who
disposes or repairs

有nn们能解释下a选项的合理性吗？为什么不能选b呢？

68。 After the
Colonial period’s 50 percent mortality rate, life expectancy improved for
children, but as late as the nineteenth century about one child in three
died before reaching the age of six.

(A) After the
Colonial period’s 50 percent mortality rate, life expectancy improved for
children, but

(B) Even though
children’s life expectancy, which improved over the Colonial period’s 50
percent mortality rate,

(C)
Although life expectancy for children improved after the Colonial period,
during which the mortality rate was 50 percent,

(D) While there
was an improvement in life expectancy for children after the 50 percent
mortality rate of the Colonial period, still（C）

(E) Despite
children’s life expectancy improvement from the Colonial period’s 50 percent
mortality rate,

没看出来c选项的主语在哪？是否被省略了呢？

72.     
Aho, a Kiowa
matriarch, held festivals in her home, they featured the preparation of
great quantities of ceremonial food, the wearing of many layers of colorful
clothing adorned with silver, and the recounting of traditional tribal jokes
and stories.

(A) Aho, a Kiowa
matriarch, held festivals in her home, they featured

(B) Festivals were
held in Aho, a Kiowa matriarch’s home, which featured

(C) Aho, who was a
Kiowa matriarch in her home, held festivals featuring

(D)
In her home, Aho, a Kiowa matriarch, held festivals that featured（D）

(E) Aho, a Kiowa
matriarch, held festivals in her home that featured

为什么不能选择e项呢？

78.     
Although dozens
of New York’s small museums are either devoted to local history or various
ethnic groups, there are many one-of-a-kind museums from Manhattan to the
Bronx that are open for exploration on summer weekends.

(A) Although
dozens of New York’s small museums are either devoted to local history or
various ethnic groups, there are

(B) Although
dozens of New York’s small museums are devoted to local history or various
ethnic groups,

(C) Dozens of New
York’s small museums are devoted to local history or various ethnic groups, but
there are

(D)
Dozens of New York’s small museums are devoted to local history or various
ethnic groups, and there are also（D）

(E) Devoted to
local history or various ethnic groups, dozens of New York’s small museums and
also

为什么不能选择b项呢？

80.     
Although films
about the American West depict coyotes as solitary animals howling mournfully
on the tops of distant hills, in reality these gregarious creatures live in
stable groups that occupy the same territory for long periods.

(A)
films about the American West depict coyotes as solitary animals howling mournfully on the tops of distant
hills

(B) in films about
the American West coyotes are depicted to be solitary animals that howl
mournfully on the tops of distant hills

(C) coyotes are
depicted as solitary animals howling mournfully on the tops of distant hills in
films about the American West

(D) films about
the American West depict coyotes as if they were solitary, mournfully howling
animals on the tops of distant hills（A）

(E) films about
the American West depict coyotes to be solitary and mournfully howling animals
on the tops of distant hills

总觉得b项应该更对称更合理啊，只是depicted to be 不知道能否这样用呢？

第一道b里面的"who" redundant

第二道主语是the mortality rate

第三道E里面的her和Aho离太远了，所以不如D

第四道B的主句是个片断，没有谓语

第五道这里要用as，不能用to be。