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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 本文属于说明文,介绍了the Mars rover在火星上进行科学研究的具体信息.

解答 61.hopefully 考查副词.修饰介词短语for much longer用副词,名词hope的副词是hopefully.
62.named 考查过去分词.the Mars rover与name之间是动宾关系,用过去分词短语named Curiosity作定语修饰the Mars rover. 
63.if/whether 考查连词.根据句意:弄清楚现在或曾经是否有过生命.用连词if/whether.      
64.where 考查定语从句.分析句子结构可知这是一个定语从句,先行词place指地点,在从句中作状语,用关系副词where.
65.although/though/while 考查连词.根据句意:尽管"好奇号"只有三米长,一辆小汽车大小,但它装有许多有用的工具.用连词although/though/while.
66.its  考查代词.gun是名词,用形容词性物主代词作定语.          
67.a 考查冠词.a small amount of意为"少量",是固定搭配.     
68.is made 考查动词时态和语态.be made up of意为"由…构成; 由…组成",是固定搭配,因讲述的是一般事实,要用一般现在时态.  
69.With 考查介词.with the help of意为"在…的帮助下",是固定搭配. 
70.collecting 考查现在分词.it与collect之间是主谓关系,用现在分词短语collecting and studying rock and soil作伴随状语.

点评 首先要通读全文,了解大意,抓住上下文语境所提供的信息,明确空格所要填的词义,词型和短语搭配,给出所要填的正确形式,然后整体阅读,核对答案.

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