【正文】
是分母,用序數(shù)詞,分子大于一,所以用復(fù)數(shù)fifths,所以五分之四用fourfifths,故選C。7.Our country is nearly ll celebrate its seventy, seventyB.seventieth, seventyseventieth, seventieth【答案】 B 【解析】【分析】句意:我們的國(guó)家接近70歲了,我們將在2019年10月1日全國(guó)慶祝它的第七十個(gè)生日。表達(dá)幾歲時(shí)用基數(shù)詞+year(s)+old,表達(dá)幾歲生日時(shí)用one39。 【點(diǎn)評(píng)】考查數(shù)詞表達(dá),注意平時(shí)識(shí)記固定搭配,理解句意。two hundred and fortysixB.two hundred fourteen【答案】 A 【解析】【分析】句意:——書架上有多少本書?——嗯,我認(rèn)為有246本書。故答案選A。9.There are s family. They live on thefive。fifth。five。fifth。他們住在九樓。 【點(diǎn)評(píng)】此題考查數(shù)詞。10.Most of the doctors in this hospital were born ________, and they are ________now. A. in their fiftiesB. in the fiftiethC. in fiftiethin the 1970s。in the+四位數(shù)的整數(shù)復(fù)數(shù)形式,在……世紀(jì)……年代,in one39。 【點(diǎn)評(píng)】考查數(shù)詞,注意表示世紀(jì)和年齡的用法。ll celebrate the National Day this year. —That39。seventyB.seventieth【答案】 C 【解析】【分析】句意:——今年我們將慶祝第七十個(gè)國(guó)慶節(jié)?;鶖?shù)詞;,基數(shù)詞;,序數(shù)詞。 【點(diǎn)評(píng)】考查數(shù)詞用法,注意平時(shí)識(shí)記其區(qū)別。s about ________________ kilometers from Nanchong to Chengdu. A.B.C.D.由句意可知,這里說(shuō)的是“兩百公里”two是基數(shù)詞表示確切的數(shù)字,不能用百、千的復(fù)數(shù)形式,“two hundred”;但當(dāng)基數(shù)詞表示不確切數(shù)字,百、千后就要用復(fù)數(shù)形式,如“hundreds of”,故選C。13.Lin Tao, an ______ boy, was very brave and helped his classmates run out of the classroom when the earthquake happened. A.8 year oldC.8 year olds【答案】 A 【解析】【分析】句意:林濤,八歲的男孩,很勇敢并且在地震發(fā)生時(shí)幫助他的同學(xué)從教室里跑出來(lái)。 【點(diǎn)評(píng)】考查數(shù)量詞在句中作定語(yǔ)的用法。Two thirdTwo threesTwo thirdsTwo【答案】 C 【解析】【分析】句意:在我們學(xué)校三分之二的老師是女老師。三分二,二是分子,所以用基數(shù)詞two,三是分母,所以用序數(shù)詞third,分子二大于一,所以分母third用復(fù)數(shù)thirds,所以三分之二用two thirds,故選C。15.In 2010, ___________ people from all over the world came to Shanghai to see the World Expo. A.B.C.D.表示確切數(shù)字用基數(shù)詞+million,表示幾百萬(wàn);表示非確切數(shù)字時(shí)用millions of,數(shù)百萬(wàn),固定搭配。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞的表達(dá),注意平時(shí)識(shí)記表示確切數(shù)字用基數(shù)詞+million,表示幾百萬(wàn);表示非確切數(shù)字時(shí)用millions of,數(shù)百萬(wàn)。eightyfive thousands, six hundreds and twentysixB.fiftyeight thousand, six hundred and twentysixD. 【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。In 1870s, in his fiftiesB.In th