English belongs,in a rather complicated way,to the Indo-European family __1_ includes most of the European languages and a few Asiatic ones. We don't know __2_ the orginal speakers of the parent Indo-European language lived.Guessed about their homeland __3_ all the way from northwestern Europe __4_ central Asia.According to all the early _5__ ,they were a tall,blond,and warlike people,with a good __6_ of energy and intelligence.In their native land they had developed _7__ writing nor cities,so there is not much __8_ about how they lived when they were at home.But when they __9_ home and went out in __10_ of new lands,the Indo-European seem to have been generally successful in _11__ the countries they came to.
　　When a wave of them _12__ a territory already crowded,they _13__ the original population._14__ they lost their distinctive appearance by intermarrying with the earlier inhabitants,and sometimes they also _15__ most of the features of their language.When a _16__ went to a more thinly-settled territory,they naturally _17__ their physical characteristics comparatively unchanged for a much longer time;and they were likely to preserve the _18__ features of their language also,though the two things did not always go together.
　　The Slavic and Celltic languages,__19_ Indian,Persian ,and some others,are of Indo-Euro-pean origin,but the three branchs with _20__ English is most concerned are the Greek,Latin,and Germanic,particularly the last.
　　1) A which B whose C that D whom
　　2) A that B which C where D whose
　　3) A is ranging B range C have ranged D have been ranged
　　4) A into B towards C from D to
　　5) A records B recording C tapes D notes
　　6) A number B great C amount D deal
　　7) A either B neither C other D both
　　8) A evidence B points C understanding D knowing
　　9) A leave B would leave C left D were leaving
　　10) A search B wanting C looking D demanding
　　11) A conquer B conquering C defeat D defeating
　　12) A settled in B settled C settled down D settled to
　　13) A mix with B mixed together C mixed with D mix together
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　　14) A on time B from time C by time D in time
　　15) A give in B gave in C gave up D give up
　　16) A branch B wave C group D kind
　　17) A preserve B reserve C preserved D reserved
　　18) A special B particular C distinguished D distinctive
　　19) A as well as B as good as C as well D as good
　　20) A them B which C the three branches D that
　　参考答案：
　　1--5ACBDA
　　6--10DBACA
　　11--15BACDC
　　16--20 BCDAB