In every cultivated language there are two great classes of words which, taken together, comprise the whole vocabulary.First, there are those words 1 which we become acquainted in daily conversation, which we 2 ,that is to say, from the 3 of our own family and from our familiar associates, and 4 we should know and use 5 we could not read or write.They 6 the common things of life, and are the stock in trade of all who 7 the language.Such words may be called“popular”, since they belong to the people 8 and are not the exclusive 9 of a limited class.On the other hand, our language 10 a multitude of words which are comparatively 11 used in ordinary conversation.Their meanings are known to every educated person, but there is little 12 to use them at home or in the market-place.Our 13 acquaintance with them comes not from our mother's 14 or from the talk of our school-mates, 15 from books that we read, lectures that we 16 ,or the more 17 conversation of highly educated speakers who are discussing some particular 18 in a style appropriately elevated above the habitual 19 of everyday life.Such words are called“learned”, and the 20 between them and the“popular”words is of great importance to a right understanding of linguistic process.

　　1.A.at B.with C.by D.through

　　2.A.study B.imitate C.stimulate D.learn

　　3.A.mates B.relatives C.members D.fellows

　　4.A.which B.that C.those D.ones

　　5.A.even B.despite C.even if D.in spite of

　　6.A.mind B.concern C.care D.involve

　　7.A.hire B.apply C.adopt D.use

　　8.A.in public B.at most C.at large D.at best

　　9.A.right B.privilege C.share D.possession

　　10.A.consists B.comprises C.constitutes D.composes

　　11.A.seldom B.much C.never D.often

　　12.A.prospect B.way C.reason D.necessity

　　13.A.primary B.first C.principal D.prior

　　14.A.tips B.mouth C.lips D.tongue

　　15.A.besides B.and C.or D.but

　　16.A.hear of B.attend C.hear from D.listen

　　17.A.former B.formula C.formal D.formative

　　18.A.theme B.topic C.idea D.point

　　19.A.border B.link C.degree D.extent

　　20.A.diversion B.distinction C.diversity D.similarity

　　第九篇答案+解說:

　　1.【答案】B

　　【解析】本句中由with which引導的定語從句，修飾先行詞those words。短語become acquainted with sb./sth.意為“認識某人，了解某事。”

　　2.【答案】D

　　【解析】imitate意為“模仿”，stimulate意為“刺激，激發”。study和learn都有“學習”的意思，study著重研究，而learn指一般性的學習，故選D。