求解释！！~Prep2012-Pack1-SC-66题

can1995

Unlike amateur clammers, who usually dig clams by hand during the summer, professional clammers work year-round, using all-weather instruments such as the hydraulic dredge or a 20-foot-Iona implement known as a bull rake.

• Awork year-round, using all-weather instruments such as the dredge or a 20-foot-long implement known as a bull rake
• Bwork year-round by using all-weather instruments like hydraulic dredges or 20-foot-long implements known as a bull rake
• Cworking year-round and using such all-weather instruments as a hydraulic dredge or a 20-foot-long implement known as a bull rake
• Dworking year-round use all-weather instruments like hydraulic dredges or 20-foot-long implements known as a bull rake
• Ework year-round using all-weather instruments, for example, a dredge or 20-foot-long implements known as bull rakes
• 不太明白为什么答案A中要用the dredge
• 关于举例 such as 和 like 和 for example不太懂选哪个比较好
  

can1995

我自己顶

fxxxfxxx

首先在GMAT里，举例肯定不能用like，like只能表达Similar to的意思。

这里的考点并不在冠词上，一般non－native也不太可能区别冠词上的细微区别，需要关注的是可以明确判断的split。

B和D选项根据Like排除，C选项没有Verb，E选项 using前面没有comma，因此并没有合适的修饰对象。

Fiona09

https://gmat.la/question/Prep2012-SC-66     LZ可以参考下Helr老师对这题的解析