2. 外语
  3. Although the bite of brown recluse spiders are rarely fatal, they cause chronic flesh wounds, posing the greatest danger to the

Although the bite of brown recluse spiders are rarely fatal, they cause chronic flesh wounds, posing the greatest danger to the

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问题 Although the bite of brown recluse spiders are rarely fatal, they cause chronic flesh wounds, posing the greatest danger to the infant and elderly, who are particularly vulnerable to its poison.
选项 A、brown recluse spiders are rarely fatal, they cause chronic flesh wounds, posing the greatest danger to the infant and elderly, who are particularly vulnerable to its
B、brown recluse spiders are rarely fatal, they cause chronic flesh wounds and pose the greatest danger to the infant and elderly, who are particularly vulnerable to their
C、the brown recluse spider is rarely fatal, it causes chronic flesh wounds, posing the greatest danger to the infant and elderly, who are particularly vulnerable to their
D、the brown recluse spider is rarely fatal, it causes chronic flesh wounds and poses the greatest danger to infants and the elderly, who are particularly vulnerable to its
E、the brown recluse spider is rarely fatal, they cause chronic flesh wounds, posing the greatest danger to the infant and elderly, who are particularly vulnerable to its
答案D
解析 在划线部分出现了两个代词they和its，此题的关键就在于我们能否正确找出其分别所指代的对象。据题意，可判断出they和its都应指代the bite(单数)，为什么?如果they指代spiders在形式上是对的，在逻辑上却讲不通，因为不是“蜘蛛导致伤口”而是“蜘蛛的叮咬导致伤口”；假设its不是指代the bite，而是指spiders，与后面未划线部分的poison联系起来似乎更合理，但请不要忘记，主句中是说the bite给老年人和婴儿造成最大的威胁，因而，紧接着相应的who定语从句也应该说是“老人和婴儿对这种叮咬所导致的毒素特别敏感”，而不会跳跃转而说老人和婴儿对这种蜘蛛的毒素特别敏感。由指代可看出A、B、C、E均错(其中指代一个或两个错)。D中把原句中的posing分词短语改为了与cause词组并列的一个动宾短语，准确反映了原句的意思，从逻辑上说，cause和pose两个动作并非伴随状态或伴随结果的关系，而是一个并列的同等重要的动作，前面cause是针对一个大范围说的，而后者pose是针对一个特殊人群(老人和婴儿)所说的。本句还可从主谓一致考虑，在although从句中用are均错，排除A、B再按指代原则排除C、E。
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