98. Even though Clovis points, spear pointswith longitudinalgrooves chipped onto their faces, have been found all over North America, thev are named for the New Mexico site where they were first discovered in 1932. (A) Even though Clovis points,spear points with longitudinal grooves chipped onto their faces, have been found all over North America, they are named for the New Mexico site where they were first discovered in 1932. (B) Although named for the NewMexico site where first discovered in 1932, Clovis points are spear points of longitudinal grooves chipped onto their faces and have been found all over North America. (C) Named for the New Mexicosite where they have been first discovered in 1932, Clovis points, spear points of longitudinal grooves chipped onto the faces, have been found all over North America. (D) Spear points withlongitudinal grooves that are chipped onto the faces, Clovis points, even though named for the New Mexico site where first discovered in 1932, but were found all over North America. (E) While Clovis points arespear points whose faces have longitudinal grooves chipped into them, they have been found all over North America, and named for the New Mexico site where they have been first discovered in 1932.
OG里对C的解释：Have been first discovered is the wrong tense, since the discovery is a discrete event completed in the past.
说discover是瞬时动词，不能用完成时态。
那OG75题1. A proposal has been made to trim the horns from rhinoceroses todiscourage poachers；thequestion is whether tourists will continue to visit game parks to see rhinocerosesonce the animals' horns have been trimmed. 这里的trim怎么可以用完成时态？？？
这两道题不同的说。umm。。 Q98，不能用完成时是因为时间标志词是in 1932，这就是一个过去的时间点，从而决定只能用一般过去时。 就是，你总有一些时态标志词告诉你该用什么时态：比如看见since，ever since就用完成时；看到previously，in the past, in XXX都用一般过去时。
这两道题不同的说。umm。。 Q98，不能用完成时是因为时间标志词是in 1932，这就是一个过去的时间点，从而决定只能用一般过去时。 就是，你总有一些时态标志词告诉你该用什么时态：比如看见since，ever since就用完成时；看到previously，in the past, in XXX都用一般过去时。
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发表于 2011-10-10 18:23:41
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发表于 2011-10-11 02:52:15
