第2题: [单项选择]______ you understand this rule, you'll have no further difficulty. A. Once B. Unless C. Only D. Until 参考答案:A 答案解析:[解析]本题考查4个连词的用法。Once意为“一旦…”；Unless意为“如果不；除非”；Only意为“只有”；Until意为“直到…才…”。根据本句句意：一旦你理解了这条规则，你就会没有下—步的困难
第7题: [单项选择]Which of the following is TRUE A. Most of those who died are said to have drowned. B. Most of those who died are said to have caught flu. C. Most of those who died are said to have caught malaria. D. Most of those who died are said to have suffered from hunger. 参考答案:A 答案解析:[试题分析] 本题是判断题。
[详细解答] 听到“Most of those who died are said to have drowned”可A正确。
第25题: [单项选择]For ( )commodities as oil, sand and timber, rail is cheaper than road. A. unpacked B. hulk C. unpackaged D. large quantities of 参考答案:B 答案解析:[解析] 本句翻译为“散装货物例如油、沙子或木材运输，火车运输比汽车运输更便宜。”
