标题: 求教!!!!!although用法!! [打印本页] 作者: cinderellahjy 时间: 2014-1-28 23:56 标题: 求教!!!!!although用法!! Q2. p2-sc 18. (25381-!-item-!-188;#058&002338)
Although the first pulsar, or rapidly spinning collapsed star, to be sighted was in the summer of1967 by graduate student Jocelyn Bell, it had not been announced until February, 1968.
(A) Although the first pulsar, or rapidly spinning collapsed star, to be sighted was in the summerof 1967 by graduate student Jocelyn Bell, it had not been announced until February, 1968.
(B) Although not announced until February, 1968, in the summer of 1967 graduate studentJocelyn Bell observed the first pulsar, or rapidly spinning collapsed star, to be sighted.
(C) Although observed by graduate student Jocelyn Bell in the summer of 1967, the discovery ofthe first sighted pulsar, or rapidly spinning collapsed star, had not been announced beforeFebruary, 1968.
(D) The first pulsar, or rapidly spinning collapsed star, to be sighted was observed in the summerof 1967 by graduate student Jocelyn Bell, but the discovery was not announced until February,1968.
(E) The first sighted pulsar, or rapidly spinning collapsed star, was not announced until February,1968, while it was observed in the summer of 1967 by graduate student Jocelyn Bell.