(每日一练)人教版2022年高中英语数词专项训练单选题1、___________oftheboysinourclass___________goingtojointhearmy.A．Twofifths;isB．Secondfifths;areC．Secondfifths;isD．Twofifths;are答案：D解析：考查分数表达及其用法。句意：我们班五分之二的男孩子都要去参军。分数表达法为：分子用基数词，分母用序数词。分子大于一时，分母用复数。所以五分之二应用twofifths。常用搭配“分数+of+名词”作主语，谓语动词与名词相一致，主语boys是复数形式，所以be动词用are。故选D项。2、Youonlyneedtowaterplants______________.A．everyothersdayB．everyotherdaysC．everyanotherdayD．everyotherday答案：D解析：考查固定搭配。句意：你只需要每隔一天浇一次水。everyotherday每隔一天，故选D。3、Eventhoughyouoffered________youhavejustoffered,Iwouldnotsellittoyou.1A．themoneytwicethatB．twicethemoneythatC．twicethemoneywhatD．themoneythattwice答案：B解析：考查倍数表达及定语从句。句意：即使你给两倍的价格，我也不会把它卖给你。首先是涉及到的是倍数的表达法，即“倍数+名词”，后面为关系代词that引导的定语从句，that代指money。故B选项正确。。小提示：倍数表达是单项选择题常考考点，只要熟记倍数表达的常用结构，答案很容易判定。倍数的五种表达法：1)倍数＋形容词／副词比较级＋thanThegirlistentimesclevererthanherbrother.2)倍数＋as+形容词／副词/(名词)＋asHisapartmentisthreetimesaslargeasthatofmine.3)倍数＋名词Thesunismanytimesthesizeofthemoon.4)动词＋倍数Thepantshaveshortenedtwotimessincetheywerebought.5)动词+by+数词/百分比/倍数Thelandlordwantedtoraisetherentbyathird.4、About______ofthesurfaceoftheearthiscoveredwithwater.A．threefourthB．threefourthsC．thirdfourthD．thirdfours答案：B解析：2考查分数的表达法。句意：地球表面大约四分之三被水覆盖。分数的表达法：分子用基数词，分母用序数词，当分子超过1时，分母用复数形式。故选B。5、Thishillis________thatsmallone.A．fourtimeshighthanB．fourtimetheheightofC．fourtimeshigherthanD．fourtimesashigheras答案：C解析：考查倍数的表达。句意：这座山的高度是那座小山的四倍。常用的倍数表达有：倍数+as+adj.+as；倍数+比较级+than；倍数+thesize/length/height...+of；“四倍”表达为fourtimes，再对比选项可知，C符合“倍数+比较级+than”。故选C。6、Wehad______funatMary’spartylastSunday.A．alargenumberofB．agreatmanyC．agreatdealofD．manya答案：C解析：试题分析：句意：上周日我们在玛丽的聚会上玩的很开心。句中fun是不可数名词，A、B、D三项都是修饰可数名词，只有C项修饰不可数名词，故选C.考点：考查同义词辨析。7、Thereare________booksinourlibrary.A．hundredsofB．hundredofC．fivehundredsD．fivehundredof答案：A解析：3考查数量词。句意：我们图书馆里有几百本书。A.hundredsof数百；B.hundredof(错误表达)；C.fivehundreds(错误表达)；D.fivehundredof+名词“……中的五百”；根据句意可知，