|
谢谢yxydsymm,再来一道 15. (25405-!-item-!-188;#058&001909)
Even though sub-Saharan Africa often evokes images of drought and famine, researchers say that the area is the home of more than 2,000 grains, vegetables, roots, fruits, and other foods that have the possibility for feeding the continent, even other parts of the world.
(A) have the possibility for feeding the continent, even (B) have the possibility of feeding the continent, even of (C) could feed the continent, so even with (D) could feed the continent and even (E) could possibly feed the continent and, in addition, for even 答案是D,这里为什么要用could过去时态阿? 28. (26003-!-item-!-188;#058&002229)
Polio, although it is eradicated in the United States, it continues elsewhere and is able to be brought into the country by visitors.
(A) Polio, although it is eradicated in the United States, it continues elsewhere and is able to be (B) Polio, although eradicated in the United States, it still continues elsewhere and can be (C) Although still continuing elsewhere, polio has been eradicated in the United States and could be (D) Although having been eradicated in the United States, polio still continues elsewhere and is capable of being (E) Although eradicated in the United States, polio continues elsewhere and could be 答案是E,也用could 宁可牺牲是太不一致,为什么啊?
[此贴子已经被作者于2008-4-24 3:32:24编辑过] |