20. The skill and the precision of the Anasazi, ancient inhabitants of the Southwest, in measuring the movements of the Sun and Moon is evidenced not only at Chaco Canyon but at a number of other sites.
(A) in measuring the movements of the Sun and Moon is evidenced not only at
(B) in measuring the movements of the Sun and Moon are evidenced not only at
(C) in measuring the movements of the Sun and Moon is evidenced at not only
(D) to measure the movements of the Sun and Moon is evidenced at not only
(E) to measure the movements of the Sun and Moon are evidenced not only at
答案:B,我选了E,为何B更好呢?谢谢.
14. With cloning technology, scientists are approaching what has long been the ultimate goal of modern husbandry: achieving a consistency of quality and production in farm animals as once thought to be limited to manufactured goods.
(A) achieving a consistency of quality and production in farm animals as once thought to be
(B) achieving farm animals with a consistency of quality and production as were once thought of as
(C) achieving in farm animals a consistency of quality and production that was once thought to be
(D) achievement of farm animals whose consistency of quality and production are the same as what were once thought to he
(E) achievement of farm animals at a consistency of quality and production once thought of as
答案:C,如何判断呢?
谢谢.
[此贴子已经被作者于2003-11-17 11:45:13编辑过] | 
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发表于 2003-11-17 10:53:00
