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其他幾個人失蹤。threefourth。three fourths。threefourth。threefourths。covered25.The pany decided to spend about five B.million ofmillion表示確數(shù)時也就是和具體的數(shù)字連用要用單數(shù),表示概數(shù)用millions of,five是具體的數(shù)字,因此用million,故選B。million意思是百萬,當和具體數(shù)字連用時,不加s,后面也不加of; 而millions of意思是數(shù)以百萬計的,固定短語;前面有具體數(shù)字four,四,因此用million,故選A。d love to, but it39。C.注意序數(shù)詞的拼寫和用法。B.SecondA基數(shù)詞,二,B兩次,頻率副詞,C序數(shù)詞,第二,D第二個......,根據(jù) How often,可知提問頻率,故用表示次數(shù)的詞,故選B。B.D.s fifties,在某人五十多歲時,故選B。30.Two ________ students ________ to the opening ceremony last Friday. A. were invitedC. invited【答案】 B 【解析】【分析】句意: 兩百名學生被邀請參加了上周五的開幕式。 【點評】考查數(shù)詞和被動語態(tài)。D. invitedB. were invited注意固定短語,in one39。in one39。C.29.Alibaba CEO Jack Ma has decided to retire from his pany in his _________. A.D.Two表示某人多少歲的生日,是第幾個生日,應該用序數(shù)詞,第九十,ninetieth,故選B。ninetieths ______ birthday and we will have a celebration. A.注意hundred,thousand,million的使用規(guī)則。D.C.B.26.The total number of the citizens in the city has increased to over four _________ this year. A.D.millions 【點評】考查分數(shù)的表達方式。分數(shù)的分子用基數(shù)詞,分母用序數(shù)詞,分子大于1時,分母用復數(shù),因此四分之三, 【點評】考查數(shù)詞, 注意數(shù)字的復數(shù)形式dozens of,幾十的用法。two dozens ofdozens ofA第一,B第二,C一,D二,限定詞+序數(shù)詞+名詞,第幾個......,選項C和D是基數(shù)詞,故排除,根據(jù) Li Hua is going to be an elder brother,可知是二胎,及第二個孩子,故選B。B.firstfirst,最初的,形容詞,the first+基數(shù)詞,表示前幾個,故選D。 【點評】考查固定搭配,注意平時識記。C.tons20.We throw D.hundreds of19.There are three【答案】 C 【解析】【分析】句意:校長的辦公室在三樓。floor. A.thousands of,幾千,join sb,加入,和某人一起,故選A。 【點評】考查數(shù)學詞的讀法,注意平時識記其讀法規(guī)則。eightyfive thousands, six hundreds and twentysixB.根據(jù)It39。晚上10點之前睡覺是健康的。C.s healthy to fall asleep before 10 .A.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用復數(shù)thirds,所以三分之二用two thirds,故選C。理解句意,然后判斷出正確的答案。tenth【答案】 C 【解析】【分析】句意:九月是一年的第九個月。13.September is the _____month of a year. A.in the 1870s十九世紀七十年代;in one39。12._______, when Marx was alr