2015年職稱(chēng)英語(yǔ)考試?yán)砉ゎ?lèi)完形填空練習(xí)(3)

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　　2015年職稱(chēng)英語(yǔ)考試理工類(lèi)完形填空練習(xí)(3)

　　Dark Forces Dominate Universe

　　The earth.moon.sun and all visible stars in the sky make up less than one percent of the universe.Almost all the rest is dark matter and dark energy，unknown forces that ______(51)astronomers.

　　Observations in recent years have changed the basic______ (52)of how the universe evolved and have indicated how little is known about the major forces and substances that______ (53) our world Astronomers now know that luminous(發(fā)光的)matter―stars，planets and hot gas----Accounts ______ (54) only about 0,4 percent of the universe.Non-luminous components，such as black holes and intergalactic(星系間的)gas，______ (55)up 3.6 percent The rest is either dark matter , about 23 percent，or dark energy，about 73 percent.

　　Dark matter.Sometimes ______ (56)“cold dark matter，”has been known for some time.Only recently have researchers come to understand the key role it ______ (57)formation of stars，planets and even people.

　　We ______ (58) our very existence to dark matter,” said physicist Paul Steinhardt and a co-author of a review on dark matter which ______ (59)not long ago in the journal Science.

　　“Dark matter dominated the structure (60)in the early universe，”Steinhardt said?！癋or the first few billion years dark matter contained most of the mass of the universe You can think of ordinary matter (61) a froth(泡沫)of an ocean of dark matter.The darkmatter dumps(結(jié)成塊)and the ordinary matter falls into it.That (62) to the formation of the stars and galaxies(星系).”Without dark matter ,“ there would be virtually no structures in the universe

　　The nature of dark matter is ______ (63)It cannot be seen or detected directly

　　Astronomers know it is there because of its______ (64)on celestial(天體的)objects that can be seen and measured.

　　But the most dominating force of all in the universe is called dark energy, a recently ______ (65)power that astronomers say is causing the galaxies in the universe to separate at a faster and faster speed.

　　51 A worry B move C puzzleD reject

　　52 A understanding B value C pattern D structure

　　53 A changedB described C designed D shaped

　　54 A in B for C ofD to

　　55 A make B keep C set D get

　　56 A written B called C identified D seen

　　57 A signed B stressed C acted D played

　　58 A believe B owe C feel D regard

　　59 A appearedB carriedC published D contributed

　　60 A elementB shape C formation D power

　　61 A with B as C form D beside

　　62A turned B workedC led D attempted

　　63 A unknow B interesting C different D visible

　　64 A form B outcome C effect D source

　　65 A seized B provenC caught D grasped

　　參考答案

　　51 c puzzle：使……感到迷惑。幾個(gè)選項(xiàng)中只有此選項(xiàng)意思符合原文。

　　52 A 此句的意思是近年來(lái)的觀察改變了人們對(duì)于宇宙是如何演變的基本了解。其他幾個(gè)選項(xiàng)與原文不符。

　　53 D 此處應(yīng)該是形成世界的各種物質(zhì)。故用D。

　　54 B account for意思是占……比例，屬固定搭配。

　　55 A make u口也是一詞組，表示“組成，構(gòu)成;占……”的意思。

　　56 B dark matter又稱(chēng)為cold dark matter，此處只有called合適，其他幾個(gè)選項(xiàng)意思不符。

　　57 D play a role in是一固定詞組，意思是“在……發(fā)揮作用”。其他幾個(gè)選項(xiàng)不合適。

　　58 B owe t0也是一固定搭配，意思是“認(rèn)為是靠……的力量”，此句的意思是“我們靠暗物質(zhì)的力量而存在”。

　　59 A 從上下文來(lái)講，選項(xiàng)A最合適，與文意相符。

　　60 C 此處的意思是“暗物質(zhì)在宇宙早期結(jié)構(gòu)形成過(guò)程中起著主導(dǎo)作用”。四個(gè)選項(xiàng)中只有c與文意符合。

　　61 B 此題應(yīng)從結(jié)構(gòu)方面考慮。think…as…：把……視為……

　　62 C lead to是一固定詞組，意思是“導(dǎo)致……”。

　　63 A 從整個(gè)段落意思來(lái)考慮，只有選項(xiàng)A合適。

　　64 c 此題亦需從上下文來(lái)考慮，effect指影響，只有此選項(xiàng)符合文意。

　　65 B 暗物質(zhì)是被科學(xué)家們證明存在的一個(gè)能量。這種能量正影響著整個(gè)宇宙。被證明的：proven。其他幾個(gè)選項(xiàng)與文意不符。

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