请教OFFICIAL GUIDE里面的N道WRITING题目~谢谢!!!!

pwsibyeahooUID: 2328248

:) :handshake 谢谢各位~~偶是新手哈!
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8 G+ h& f% u) Q& ~   1.Whether the ancient Egyptians actually sailed or did not to South America remains uncertain, but Heyerdahl's Ra expedition demonstrated that they could have done so.
  A. Whether the ancient Egyptians actually sailed or did not
  B. Whether in actuality the ancient Egyptians sailed or did not.
2 {0 l& f# k, f5 `$ c9 ]- Y  C. The actuality of the sailing by the ancient Egypitians.
  D. That the ancient Egyptians actually sailed
  E. The ancient Egyptians, their actual sailing
  正确选项D. 但是觉得D不怎么对.当时在D和C中间犹豫了一下选择了C.

  2.In 1969 Baldwin High School defeated Ross Academy in the district's first televised quiz bowl game, even so, they did not win again until 1983.
  A. game, even so, they
  E. game, but it
% R" n6 I$ L( |  正确选项E.这句话的逻辑偶没有理清楚哈~~谢谢咯!!!!!!

7 S, Q+ H/ [  n+ A1 p  3.Having Florence Nightingale as their leader and a growing awareness of the need for cleanliness helped to bring about the establishment of standards of hygiene in hospitals.
  A. Having Florence Nightingale as their leader
  E6 \$ d1 w- S6 u4 @/ R. F% i  B. Having the leadership of Florence Nightingale's
' `4 g8 i( h, U  Q3 v  C. Florence Nightingale as their leader
, K& ~% D( E3 |3 y# g5 \' l! N  D. To be led by Florence Nightingale
  E. The leadership of Florence Nightingale.
  正确选项:E. 偶没有搞清那个leadership之间的关系,能否分析一哈!谢谢!!!!!!!!
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     万分感激大家!!!

solv6868UID: 2244156

online course上有解释，可以到精华版去下

pwsibyeahooUID: 2328248

谢谢咯!