心脏病的发作可能与他去年的车祸有关。

　　②Tom is related to Mary by marriage.

　　汤姆和玛丽有姻亲关系。

　　relate vi.　　　　 　　有关联，有联系

　　 vt. 使互相关联；讲述，叙述

　　relate ...to/with ... 把......和......联系起来

　　relate to sb./sth. 与某人/物有关；理解/同情某人

　　relate sth.(to sb.) (向某人)叙述(事实、经历)

　　③The police related this evidence to the previous cases.

　　警方将这个证据与之前的案件联系起来。

　　④His remarks didn't relate_to the topic under discussion.

　　他说的话与讨论的问题无关。

　　⑤He related some amusing stories in his childhood to his children.

　　他向孩子们讲述了他少年时代的一些趣事。

　　[联想发散]　你还学过哪些意为"与......有关"的短语？

　　①be connected with

　　②have something to_do_with

　　③be linked to

　　3．(教材P9)One explanation is that women's sense of smell is better developed than that of men, and is linked to recognizing the smell of babies.

　　一种解释是：女人的嗅觉比男人的嗅觉发育得更好，且与识别婴儿的体味有关。

　　recognize (recognise) vt.　认出，辨认出；意识到；(正式)承认

　　①The computer will recognize your voice and carry out the instructions.

　　计算机可以识别你的声音，完成你的指令。

　　②Having recognized the problem, we worked out a plan at once.

　　意识到了问题，我们马上制定了计划。

　　recognize that ...　　　　 承认......

　　be recognized as/to be ... 被公认为/承认是......

　　③He recognized_that he had made mistakes.

　　他承认自己犯了错误。

　　④The Mona Lisa is widely recognized as/to_be the most famous painting in the history of art.

　　《蒙娜丽莎》被公认为艺术史上最著名的画。

　　[辨析比较]　

recognize 指原来很熟悉，经过一段时间的间隔或别的原因后又重新认出来，是终止性动词 know 是延续性动词，指相互间十分熟悉和了解 　　选择上述单词填空

　　I have known him for 10 years.But I didn't recognize him just now because he has changed so much.

　　4．(教材P9)However, why pleasant smells do not reduce pain in men remains a puzzle for scientists.

　　然而，为什么令人愉快的气味不能减轻男士的痛苦对科学家们来说仍然是个谜。

　　puzzle n．谜，疑问；难题vt.迷惑，使困惑

　　①It is a puzzle to me how he could come here.

　　我不知他是怎么到这里来的。

　　②I have in mind some doubts which really puzzle me.

　　我心中有一个疑团，百思不得其解。

　　(1)puzzle about/over ...　　 苦苦思索......

　　puzzle sth.out 琢磨出......的答案

(2)puzzling adj. 令人困惑的