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十年代,馬克思已經(jīng)五十歲了,他覺得研究俄國(guó)的形勢(shì)很重要,便開始學(xué)習(xí)俄語(yǔ)。in the 1870s十九世紀(jì)七十年代;in one39。s fifties在某人五十多歲時(shí);故選D。 【點(diǎn)評(píng)】考查時(shí)代的表達(dá)方式和固定短語(yǔ)。掌握時(shí)代的表達(dá)方式。13.It39。s never too old to learn. Karl Marx began to learn English in his ________. A.fiftiesB.fiftiethC.fiftyD.the fiftieth【答案】 A 【解析】【分析】句意: 活到老,學(xué)到老??栺R克思在他五十多歲時(shí)開始學(xué)習(xí)英語(yǔ)。in one39。s +整十?dāng)?shù)字的復(fù)數(shù)形式表示在某人……歲時(shí),固定搭配,fifty,基數(shù)詞,復(fù)數(shù)是fifties,所以,在他五十多歲時(shí)是in his fifties,故答案為A。 【點(diǎn)評(píng)】考查數(shù)詞的用法及固定搭配。在某人五十多歲時(shí)是in one39。s fifties。14.When Huawei P20 came out, ______ people couldn39。t wait to buy one in our town. A.thousandB.thousandsC.thousand ofD.thousands of【答案】 D 【解析】【分析】句意:當(dāng)華為P20上市時(shí),成千上萬(wàn)的人迫不及待地想在我們鎮(zhèn)上買一臺(tái)。thousand,千,其前有具體數(shù)詞修飾時(shí),用其單數(shù)形式,當(dāng)其前沒有具體數(shù)詞修飾時(shí),用其復(fù)數(shù)形式,且和of連用,thousands of,成千上萬(wàn),這里沒有具體數(shù)詞修飾,故選D。 【點(diǎn)評(píng)】考查整數(shù)的表達(dá)。注意識(shí)記thousand的用法。15.There are children in my grandfather39。s family and he is the child of the family. A.nine。 fifthB.nine。 fiveC.ninth。 fiveD.ninth。 fifth【答案】 A 【解析】【分析】句意:我外公家有9個(gè)孩子,并且他是第五個(gè)孩子。;fifth9;5;;five 9;5;;five 第九;5 ;fifth 第九;第五。根據(jù)第一個(gè)空可知,此處填入基數(shù)詞,答案為nine,第二個(gè)空填入序數(shù)詞,答案為fifth,故選A。 【點(diǎn)評(píng)】考查了基數(shù)詞與序數(shù)詞的辨析,注意,區(qū)分兩者。16.How to read 85, 626 in English? A.eightyfive thousands, six hundreds and twentysixB.eightyfive thousand, six hundred and twentysixC.fiftyeight thousand, six hundred and twentysixD.eightyfive thousands, six hundred and twentysix【答案】 B 【解析】【分析】句意:用英語(yǔ)怎樣讀85, 626?英語(yǔ)數(shù)學(xué)詞的讀法是:從右往左每三個(gè)數(shù)字是一組,用逗號(hào)隔開,從右往左第一個(gè)逗號(hào)讀hundred,百位和十 位間用and連接,所以讀作eightyfive thousand, six hundred and twentysix,故選B。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞的讀法,注意平時(shí)識(shí)記其讀法規(guī)則。17.—Dad, about of our classmates wear glasses. —Oh, that39。s terrible. You all should take good care of your eyes. A.three fourthB.third fourthC.third fourthsD.three quarters【答案】 D 【解析】【分析】句意:——爸爸,大約四分之三的同學(xué)戴眼鏡?!?,那真可怕。你們都應(yīng)該好好照顧你們的眼睛。分子用基數(shù)詞,分母用序數(shù)詞,中間用連字符,若分子大于一,分母用復(fù)數(shù)形式。四分之三用three fourths或者three quarters,故選D。 【點(diǎn)評(píng)】考查分?jǐn)?shù)表達(dá),注意平時(shí)識(shí)記。18.There are tourists visiting Beijing every year. A.hundredB.hundredsC.hundreds ofD.two hundreds of【答案】 C 【解析】【分析】句意:每年有數(shù)百的游客參觀北京。表達(dá)確切數(shù)字用基數(shù)詞+hundred,表達(dá)非確切數(shù)字用hundreds of,前面沒有具體數(shù)字,因此用hundreds of,故選C。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞表達(dá),注意平時(shí)識(shí)記。19.—Have you heard of the TwoChild policy? —Of course. And I know many couples have new babies