2019高考进行备考阶段，考高分教育整理了2019高考英语必备：经典长难句分析及重点词汇用法(25)，供同学们参考。
2019高考英语必备：经典长难句分析及重点词汇用法(25)
Having identified the target group, researchers find out as much as possible about those in the target group, such as their likes and dislikes, and how the product would fit into their lives.
(句式翻译)明确了广告的目标群体后，研究人员就会尽量获取这个群体的有关信息，例如他们的好恶，以及如何使产品适应他们的生活。
(句式分析)本句是复合句，how在句中引导定语从句，Having identified the target group是现在分词的完成形式作状语。
(词语点拨)identify vt. 识别，认出
Could you identify your bike among a hundred others.
你能从100自行车中认出你的那一辆吗?
The bad weather is identified as the possible cause of the accident.
坏天气被认为可能导致了这个事故。
(语法点拨)having done可以作状语，此时，它代表的动作发生在句子谓语动作之前，它的逻辑主语和句子的主语一致。如：
Not having tried his best, he failed in the exam.
由于没有尽最大努力，他这次考试没能通过。
Having known the situation well, they could deal with the problem efficiently.
由于对形势的深刻了解，他们有效地处理了问题。
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