To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility. (A) have to know a great deal more than now about the social and economic (B) have to know a great deal more than they do now about the social and economical (C) would have to know a great deal more than they do now about the social and economical (D) would have to know a great deal more than they do now about the social and economic (E) would have to know a great deal more than now about the social and economic
关于B选项，OG解释说：B Conditional verb is needed; economical is the wrong adjective. 为什么要conditional verb呢？用simple past描述一个单纯的事实不行吗？
50. According to some analysts, the gains in the stock market reflect growing confidence that the economy will avoid the recession that many had feared earlier in the year and instead come in for a “soft landing,” followed by a gradual increase in business activity. (A) that the economy will avoid the recession that many had feared earlier in the year and instead come (B) in the economy to avoid the recession, what many feared earlier in the year, rather to come (C) in the economy’s ability to avoid the recession, something earlier in the year many had feared, and instead to come (D) in the economy to avoid the recession many were fearing earlier in the year, and rather to come (E) that the economy will avoid the recession that was feared earlier this year by many, with it instead coming
这题，B选项的解释：B What cannot replace that; the economy to avoid the recession is awkward and unclear; rather to come does not complete the second part of the sentence idiomatically. what不能替代that，但是我做题时候把它理解为同位语，what有这样的用法吗？
D选项的解释：D Th e recession must be followed by that; were fearing is the wrong tense; rather to come does not complete the second part of the sentence idiomatically. recession后面的定语从句，recession充当宾语，难道不是可以省略that的吗？
57. That educators have not anticipated the impact of microcomputer technology can hardly be said that it is their fault : Alvin Toffler, one of the most prominent students of the future, did not even mention microcomputers in Future Shock, published in 1970. (A) That educators have not anticipated the impact of microcomputer technology can hardly be said that it is their fault (B) That educators have not anticipated the impact of microcomputer technology can hardly be said to be at fault (C) It can hardly be said that it is the fault of educators who have not anticipated the impact of microcomputer technology (D) It can hardly be said that educators are at fault for not anticipating the impact of microcomputer technology (E) The fact that educators are at fault for not anticipating the impact of microcomputer technology can hardly be said
OG说B选项 can hardly be said to be at fault是不完整的结构，这个不懂啊。
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发表于 2012-10-10 22:01:50
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