分析 本文是一篇科教類閱讀,屬于說(shuō)明文,科學(xué)家們宣布,他們發(fā)現(xiàn)了這個(gè)引力波,證實(shí)了一個(gè)世紀(jì)前由愛(ài)因斯坦所做的預(yù)測(cè).本文以此展開(kāi),主要講述了有關(guān)宇宙的一些發(fā)現(xiàn).
解答 29.D.細(xì)節(jié)理解題.根據(jù)The discovery,made with the Laser Interferometer Gravitational-Wave Observatory,known as LIGO,is the milestone(里程碑)in a decades-long search for signs of this phenomenon."The discovery will open a new window onto the universe,"said David Reitze,executive director of LIGO.可知,因?yàn)長(zhǎng)IGO的發(fā)現(xiàn)為探索宇宙提供了多種方式.故選D.
30.B.細(xì)節(jié)理解題.根據(jù)But they're so tiny that until now it's been nearly impossible to find them,even those caused by something as large as a planet moving around the sun.可知,因?yàn)橐Σǚ浅H跣,所以沒(méi)法探測(cè)到.故選B.
31.C.推理判斷題.根據(jù)To pick up this signal,scientists have to look for violent events in the universe.This particular signal appears to have been caused by a collision.可知,科學(xué)家會(huì)認(rèn)為黑波之間的碰撞是一場(chǎng)暴力事件.故選C.
32.B.推理判斷題.根據(jù)Fiona Harrison,chair of Caltesh's division of physics,mathematics and astronomy,guessed that hundreds of new events would be found over the next few years,allowing scientists to perform a range of different types of studies."There are probably many events we haven't dreamed of and this is just the beginning,"she said.可知,探索宇宙的奧秘還有很長(zhǎng)的路要走.故選B.
點(diǎn)評(píng) 本文是一篇科教類閱讀,題目涉及多道主旨大意題,細(xì)節(jié)理解題,推理判斷題.做題時(shí)學(xué)生應(yīng)仔細(xì)閱讀原文,把握文章主要內(nèi)容,聯(lián)系文章上下文內(nèi)容并結(jié)合所給選項(xiàng)含義,從中選出正確答案,一定要做到有理有據(jù),切忌胡亂猜測(cè).
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