Although appearing less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year—they are often green and striped, or have plenty of bumps and bruises—heirlooms are more flavorful and thus in increasing demand.


Although appearing less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year

Although heirloom tomatoes, grown from seeds saved during the previous year, appear less appetizing than most of their round and red supermarket cousins

Although they appear less appetizing than most of their round and red supermarket cousins, heirloom tomatoes, grown from seeds saved during the previous year

Grown from seeds saved during the previous year, heirloom tomatoes appear less appetizing than most of their round and red supermarket cousins

Heirloom tomatoes, grown from seeds saved during the previous year, although they appear less appetizing than most of their round and red supermarket cousins

考题讲解

题目分析:
本题虽然长,但是在把语句结构弄清的情况下十分容易找到正确答案。破折号之间可以添加句子(如本题),也可以添加词或者短语,均没有语法错误。

选项分析:

A选项:although appearing less appetizing than most of their round and red supermarket cousins是伴随状语,其主句的主语为heirloom tomatoes,这些都没有问题。但是,主句有两个主语(两个heirloom tomatoes),这在语法上是不正确的,一个句子只能有一个主语。

B选项:Correct. 本选项在语法和逻辑上均是正确的。

C选项:主句拥有两个主语,该错误同(A)。

D选项:
本选项的两个主句间缺少连词(两个主句分别为appear句和flavorful句)。

E选项:
主句拥有两个主语,该错误同(A)。(本选项中although they appear less appetizing than most of their round and red supermarket cousins为插入语

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