17.Have you ever wondered whether there is life on Mars?The big Red Planet is a mystery to us but(61)hopefully (hope),not for much longer.
On November 11,the Mars rover(漫游者)(62)named(name) Curiosity started its journey into space.After eight months flying in a rocket,Curiosity covered more than 566 million kilometers and finally landed on Mars-according to BBC reports.The rover is there to find out (63)if/whetherthere is,or ever was,life on the cold,desert-like planet.
The place (64)whereCuriosity landed is called Gale Crater,a huge hole on Mars.Scientists believe that there was once water and even life there.In order to do its job,Curiosity is filled with many useful tools,(65)although/though/whileit is only three meters long,about the size of a small car.
It has a robot arm that can collect soil and drill into rock.It also carries (66)its own laser gun.The gun can turn (67)asmall amount of rock into gas,so that Curiosity can study what the rock (68)is made(make) up of. (69)Withthe help of these tools,Curiosity will act as a robot geologist.For the next two years,it will stay and travel inside Gale Crater,(70)collecting (collect) and studying rock and soil.

分析 本文屬于說明文,介紹了the Mars rover在火星上進(jìn)行科學(xué)研究的具體信息.

解答 61.hopefully 考查副詞.修飾介詞短語for much longer用副詞,名詞hope的副詞是hopefully.
62.named 考查過去分詞.the Mars rover與name之間是動賓關(guān)系,用過去分詞短語named Curiosity作定語修飾the Mars rover. 
63.if/whether 考查連詞.根據(jù)句意:弄清楚現(xiàn)在或曾經(jīng)是否有過生命.用連詞if/whether.      
64.where 考查定語從句.分析句子結(jié)構(gòu)可知這是一個定語從句,先行詞place指地點,在從句中作狀語,用關(guān)系副詞where.
65.a(chǎn)lthough/though/while 考查連詞.根據(jù)句意:盡管"好奇號"只有三米長,一輛小汽車大小,但它裝有許多有用的工具.用連詞although/though/while.
66.its  考查代詞.gun是名詞,用形容詞性物主代詞作定語.          
67.a(chǎn) 考查冠詞.a(chǎn) small amount of意為"少量",是固定搭配.     
68.is made 考查動詞時態(tài)和語態(tài).be made up of意為"由…構(gòu)成; 由…組成",是固定搭配,因講述的是一般事實,要用一般現(xiàn)在時態(tài).  
69.With 考查介詞.with the help of意為"在…的幫助下",是固定搭配. 
70.collecting 考查現(xiàn)在分詞.it與collect之間是主謂關(guān)系,用現(xiàn)在分詞短語collecting and studying rock and soil作伴隨狀語.

點評 首先要通讀全文,了解大意,抓住上下文語境所提供的信息,明確空格所要填的詞義,詞型和短語搭配,給出所要填的正確形式,然后整體閱讀,核對答案.

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