to represent 修饰construct 与原意不符
E says that the boat was made of "planks fitted together to represent a major advance" - the meaning is says that the reason the planks were fitted together was to represent a major advance. The technique may be a major advance, but it doesn't make sense to say that the planks were fitted together in order to represent a major advance.
破折号作为解释时,有着括号式的性,必须成对出现,五个选项中,有三个不符合这个要求,可以直接排除
破折号作为解释说明时成对出现
to represent表示目的,逻辑不对
to represent从语法上修饰constructed out, 从而改变了原句的意思
破折号在句中必须成对出现,排除后三项
1) 用破折号隔开的成分相当于插入语起到额外的解释说明作用, 去掉后不影响句子结构 2) 代词it/this/that不能单独充当主语,必须加上名词才能作主语 3) 不能随意更改原句的意思 wooden hull that is the earliers... and that thus represents并列 (A) 正确, that is… and that thus represents限定性定语从句的并列,同时修饰a 5,000-year-old wooden hull, 由于该并列结构存在着因果关系,因此添加副词thus修饰represents表明该逻辑关系 E选项改变了原句的意思
E选项改变了原句的意思
E选项改变了原句的意思
(E) to represent从语法上修饰constructed out, 从而改变了原句的意思。 to represent 作状语表目的
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