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标题: prep1 53 [打印本页]

作者: qsjvicky 时间: 2013-9-8 16:25
标题: prep1 53

53. (27297-!-item-!-188;#058&003151)

Most vaccines are derived from weakened or killed strains of the same virus that they prevent,

unlike the derivation of smallpox vaccine from a different virus altogether.

(A) the derivation of smallpox vaccine from a different virus altogether

(B) smallpox vaccine, which is derived from a different virus altogether

(C) smallpox's vaccine, which gets derived from a different virus altogether

(D) when smallpox vaccine is derived from an altogether different virus

(E) the altogether different virus from which smallpox vaccine is derived
答案是B，没问题

只是好奇C中smallpox's vaccine这种表达是不是不标准， gets derived from也不标准？

作者: cyuyolanda 时间: 2013-9-8 21:40
smallpox vaccine是一种名称吧，应该是专有名词。be derived from规范

作者: qsjvicky 时间: 2013-9-8 23:27

cyuyolanda 发表于 2013-9-8 21:40
smallpox vaccine是一种名称吧，应该是专有名词。be derived from规范

好的，O(∩_∩)O谢谢~！

作者: Cybill 时间: 2014-2-15 09:56
unlike放句尾啥时候歧义啥时候不歧义啊？？？

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