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分离培养病毒的方法主要有___、鸡胚培养和细胞培养。

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正确答案:

动物接种

答案解析:

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Thecitygovernmenthasdeterminedtoget_____withpeoplewhotrytoescapepayingtaxes.

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Nowtheverysamethingistruetoliterature(文学).Andthequestion,"HowshallIbegin?"onlymeansthatyouwanttobeginattheheadinsteadofbeginningatthetailorsomewhereelse.Thatis,youarenotyetexperienced(有经验的)enoughtotrusttoyourownpowers.Whenyoubecomemoreexperiencedyouwill

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1.Afriendofthewriter’sdrewthehorses____.

A.verywell

B.inthewayofwesternrule

C.inthewayofhisownrule

D.alloftheabove

2.Thewriterwassurprisedbecause____.

A.theartistbegantodrawattheheadofthehorse

B.theartistbegantodrawatthetailofthehorse

C.theartistmadehisownrule

D.theartistdidnotfollowotherpeople’srule

3.Youarenotyetexperiencedbecause____.

A.youdon’tknowwheretobegin

B.youwanttobeginattheheadinsteadofbeginningatthetail

C.youalwaysaskedquestion

D.youdonottrusttoyourownpowers

4.Whenyoubecomemoreexperiencedyouwill____.

A.neveraskquestion

B.oftenbeginatthetail

C.shouldwritetheendofthestory

D.shouldthinkofthebeginning

5.Thetopicofthepassageis______.

A.Howtodrawahorse

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C.Howtomakeyourownrules

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