A study commissioned by the Department of Agriculture showed that if calves exercise and (associated with other calves,they will require less medication and gain weight quicker than do) those raised in confinement.
题中括号即 为划 线 部分
答案选择E。Associate with other calves,they require less medication and gain weight more qucikly than
语法规则是 IF a happens, b will happens, 因此我认为应该 they will require.......请 问我的想法哪里 错了.
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发表于 2005-12-11 21:58:00
