6．Once，an old and strange scientist Decided to use the cloning procedure to make（61）aclone of his boss's dog．He was working on the assumption that if he produced a clone of the dog，his boss（62）would approve（approve） his promotion．The man stirred his mixture（63）which/thatcontained the dog's hair．If his colleagues heard about his efforts they would be bound（64）to stop（stop） him．They could never resist an opportunity of saying that he was too old to work in a cloning laboratory．He did make mistakes（65）fromtime to time，but only last week he succeeded in restoring a（66）dead（die） mouse to life as a clone．So，why not clone a dog？As he was thinking，the mixture thickened．He stared impatiently at it，（67）waiting（wait） for the shape of the animal that would（68）shortly（short） emerge．Gradually the cells began to form．A creature began to grow and develop（68）claws（claw） and feathers!The scientist screamed and fled from the room as any possibility of promotion（70）disappeared（disappear） in that instant．He had not brought back a dog but produced a monster!

分析 本文向我們講述了曾經(jīng)，一位又老又古怪的科學(xué)家決定用克隆程序克隆他的老板的狗，他在設(shè)想，如果他克隆出一只狗，老板就會批準(zhǔn)他的晉升．最后科學(xué)家沒能克隆出狗卻制造了一個(gè)怪物．

解答 61．a(chǎn)，考查冠詞，clone是可數(shù)名詞，表示泛指，前使用不定冠詞a．             
62．would approve，考查時(shí)態(tài)，if引導(dǎo)的條件狀語從句，主句使用一般將來時(shí)，從句使用一般現(xiàn)在時(shí)，該題從句是一般過去時(shí)，主句應(yīng)使用過去將來時(shí)would do 的形式．      
63．which/that，考查定語從句，句子先行詞是mixture，引導(dǎo)定語從句使用which/that．      
64．to stop，考查不定式，be bound to do sth．"一定會做某事"．           
65．from，考查介詞，from time to time"時(shí)不時(shí)地"．  
66．dead，考查形容詞，此處應(yīng)使用形容詞修飾后面的名詞mouse．       
67．waiting，考查非謂語動詞，wait 的邏輯主語是he，構(gòu)成主動的關(guān)系，因此使用現(xiàn)在分詞充當(dāng)非謂語．                 
68．shortly，考查副詞，此處應(yīng)使用副詞修飾謂語動詞would emerge．             
69．claws，考查名詞，此處應(yīng)使用名詞的復(fù)數(shù)形式claws．             
70．disappeared，考查時(shí)態(tài)，短文描述的是過去的事件，因此使用一般過去時(shí)disappeared．

點(diǎn)評 對于語法填空這類題，一是懂得分析句子結(jié)構(gòu)，二是知道充當(dāng)各個(gè)句子成分的詞類或詞性，從語法上確定答案，當(dāng)然，對于某些固定搭配也要牢記，在平時(shí)的學(xué)習(xí)中要多積累這些詞匯或短語，對于句子使用的時(shí)態(tài)語態(tài)也要通過語境進(jìn)行確定．

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C．a(chǎn)re mostly positive in terms of their view on life   
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