标题: OG12 _40 一个不是很显眼的point [打印本页] 作者: LEDGIRL 时间: 2010-6-26 09:57 标题: OG12 _40 一个不是很显眼的point Dr. Tonegawa won the Nobel Prize for discovering how the body can constantly change its genes to fashion a seeming unlimited number of antibodies, each specifically targeted at an invading microbe or foreign substance.
(A)seeming unlimited number of antibodies, each specifically targeted at
(B)seeming unlimited number of antibodies, each targeted specificallyto
(0seeming unlimited number of antibodies, all specifically targeted at
(D)seemingly unlimited number of antibodies, all of them targeted specificallyto
(E)seemingly unlimited number of antibodies, each targeted specifically at