人教版精品英語(yǔ)資料（精校版）題型專項(xiàng)突破-Unit3完形填空（未來(lái)生活篇）一、完形填空 閱讀下面短文，從短文后各題所給的四個(gè)選項(xiàng)（A、B、C和D)中，選出可以填入空白處的最佳選項(xiàng)。Mars is not, it seems, the dry old planet we once believed _ (1) _. Astronauts who are _ (2)_ to go there in the next decade may find plenty _ (3)_ water to slake(消除) their thirst. And with water present the _ (4) _ of finding some sort of life on Mars are _ (5)_ brighter.This is the view of forty geologists： who have been analyzing _ (6)_ of pictures and other scientific _ (7)_ obtained by robot explorers in the sixties and seventies.To begin with, scientists thought the Red planet was as _ (8)_ as the Moon _ (9)_ dust storms swirling over vast sandy _ (10)_. But now the picture is very different (11) _mountains and valleys carved by_ (12) _ glaciers and rivers rushing and rumbling deep underground.In a report on the analysis of the Martian pictures Dr. Michael Car of the U. S. Geological Survey comments： “I am convinced_ (13)_ lots of water on Mars. ” Any surface water will be in the_ (14)_of ice. But it could save explorers from_ (15)_ to take so much _ (16)_ with them.The report says_ (17)_Mars probably had a warmer climate in ages_ (18)_ due to its axis (軸) having been more tilted(傾斜的) towards the sun._ (19)_signs of plant or animal life have been detected by instruments landed on Mars, _ (20)_ the landing vehicles have been sent there for a few years.(1) A. it is B. it C. it to beD. was(2) A. expected B. hoped C. required D. sent (3) A. to B. of C. moreD. in(4) A. chances B. openings C. occasions D. possibility(5) A. quite B. very C. much D. more(6) A. a few B. many C. thousand D. thousands(7) A. skills B. news C. intelligence D. information(8) A. peaceful B. quietC. lifeless D. dead (9) A. of B. with C. forD. through(10) A. deserts B. mountains C. rivers D. seas(11) A. from B. between C. for D. with (12) A. energetic B. great C. heavy D. powerful (13) A. theres B. therere C. heres D. herere(14) A. appearance B. way C. form D. shape(15) A. have B. having C. carry D. carrying(16) A. water B.ice C. equipment D. oxygen(17) A. what B. if C. how D. that(18) A. pass B. past C. ago D. before(19) A. Not B. No C. Nor D. Never (20) A. probably B. perhaps C. supposed D. although參考答案：(1) C此處為定語(yǔ)從句，關(guān)系代詞省略了，在從句中作表語(yǔ)，根據(jù) once 可排除A項(xiàng)。 (2) A 句意：在下下一個(gè)十年有望登上火星的宇航員也許會(huì)找到大量的水來(lái)消除這里的干渴。expect意為“期盼;預(yù)測(cè)”，常與不定式連用。(3) B plenty of意為“大量的”。(4) A 句意：有了水，在火星上找到某種生命的機(jī)會(huì)就更大了。根據(jù)系動(dòng)詞are可排除possibility。chance 意為“可能性;機(jī)會(huì)”。(5) C much修飾比較級(jí)，表示“得多”。(6) D 此處表示“很多照片”，many修飾可數(shù)名詞復(fù)數(shù)，表示“很多”。(7) D 地質(zhì)學(xué)家研究分析的應(yīng)該是在六七十年代由機(jī)器人獲取的火星的一些“信息”。(8) C 一開始，科學(xué)家認(rèn)為火星和月球一樣是有生命存在的。(9) B 作定語(yǔ)修飾月球，表示月球上有沙塵暴。(10) A 根據(jù)sandy可知，此處指沙漠。(11) D 作定語(yǔ)修飾picture，表示圖片上有被冰川沖刷形成的山谷。(12) D 修飾glaciers and rivers，因?yàn)闆_刷成了山谷的形狀，故用powerful修飾。(13) A 句意：我確信火星上有很多水。water 為不可數(shù)名詞，故there be句型應(yīng)該用there is形式。(14) C in the form of意為“以形式”。句意：任何表面水都是以冰的形式存在的。(15) B 句意：這樣可使探險(xiǎn)者不用再攜帶很多水登上火星了。From是介詞，后為動(dòng)名詞形式，表示“攜帶”。(16) A 根據(jù)上文內(nèi)容可知此處指水 (17) D報(bào)告說(shuō)，在多年前，火星可能更溫暖，因?yàn)閮A斜的角度更大。that在從句中不作成分。(18) B 此處表示多年之前。(19) B 句意：通過(guò)火星上的設(shè)備沒(méi)有找到有生命的跡象。修飾名詞，表示“沒(méi)有”應(yīng)用no。(20) D 根據(jù)句意及句子結(jié)構(gòu)可知，此處引導(dǎo)讓步狀語(yǔ)從句。