1) One of every two new businesses （falls）（has failed) within two years.
2) During the nineteenth century Emily Eden and Fanny Parks journeyed throughout India, sketching keeping journals that formed the basis of news reports about the princely states they (visited) (had visited).
3) Even though its per capita food supply (hardly)(has hardly) increased (during)(in) two decades, stringent rationing and planned distribution have allowed the People’s republic of China to ensure nutritional levels of 2,000 calories per person per day for its population.
我最头疼的是这些师太！请解释一下。。作者: tongxun 时间: 2002-9-24 23:25
1）由于没有具体的时态提示，从句意上讲（读题时的感觉），我倾向falls。因为within two years好象有表将来的感觉，所以用完成时太不正确。现在时能表将来吗？我认为这里表达的是一个普遍的某一时期的现象。作者: tongxun 时间: 2002-9-24 23:33
2）visited 应与 journeyed对应时态吧。倾向选它。
3）has hardly increased during two decades。表示一个20年的过程似乎较好。
个人意见。作者: qiufeng1990 时间: 2002-9-24 23:48
佩服。。。预感和语态一至很重要。作者: tongxun 时间: 2002-9-24 23:53
刚做错了一题。没什么可佩服的。作者: 侠骨柔风 时间: 2002-9-25 00:05
应该是fails吧。因为在说明一个客观事实。LZM上好象就是这么解释的，我认为还是有些道理的。
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