分析 文章大意:
這篇文章介紹了一項對笑的新研究,和以往人們的觀點不同的是,研究人員發(fā)現(xiàn)笑是人類社會化的反應(yīng),而且動物也有相同的情況.
所有人都知道微笑對我們的身體及精神都有很大的幫助作用,但事實上我們并不清楚大笑對我們有好處的原因.
笑從本質(zhì)上來說是社會性的東西,不只是在人類中才有,動物中也有.
因此,科學(xué)家研究老鼠是為了看在老鼠笑時會產(chǎn)生什么,通過研究發(fā)現(xiàn)大笑時會產(chǎn)生一種化學(xué)物質(zhì),其作用相當(dāng)于抗抑郁藥.
解答 52.B,詞意猜測題.文中提到"Jeffrey Burgdorf has found that laughter in rats produces a chemical that acts as an antidepressant"教授發(fā)現(xiàn)大笑時會產(chǎn)生一種化學(xué)物質(zhì),其作用相當(dāng)于抗抑郁藥,由此可知人們已經(jīng)弄清楚了大笑時大腦的反應(yīng),由此確定figure out是解決的意思,故選B.
53.C,細節(jié)理解題.根據(jù)文中信息Northwestern University biomedical engineering professor,Jeffrey Burgdorf has found that laughter in rats produces a chemical that acts as an antidepressant(抗抑郁藥).可知科學(xué)家研究老鼠是為了看在老鼠笑時會產(chǎn)生什么,故選C.
54.D,細節(jié)理解題.根據(jù)文中信息"Laughter above all else is a social thing,"says Baltimore neuroscientist(神經(jīng)科學(xué)家),Robert Provine,who has studied laughter for many years.可知笑從本質(zhì)上來說是社會性的東西,故選D.
55.D,主旨大意題,文中提到"Although most people believe that laughter is one of the nature's great treatments for a whole range of mental and physical diseases,it is still a serious scientific subject that researchers are trying to figure out."所有人都知道微笑對我們的身體及精神都有很大的幫助作用,但事實上我們并不清楚大笑對我們有好處的原因,而下問通過一系列的實驗及推論都在說明大笑的好處,由此可以判定答案為D,為什么笑如此重要.
點評 對于閱讀表達題,一定要記得首先通讀全文,了解文章大意,然后再根據(jù)文章關(guān)鍵詞,關(guān)鍵句,掌握細節(jié)問題,并進行推理判斷,再去回答具體的問題.
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