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【點評】考查數(shù)學詞的讀法,注意平時識記其讀法規(guī)則。s office is on the oneB.thirdD.one一個,two兩個,third第三,three三個。 【點評】考查了序數(shù)詞與基數(shù)詞辨析,注意兩者意義的區(qū)分。ton ofB.tons ofD.ton,噸,前面沒有具體數(shù)字,因此用tons of,大量的,故選C。19.Li Hua is going to be an elder brother. His parents are planning to have their ________child. A.secondC.two【答案】 B 【解析】【分析】句意:李華要當哥哥了,他的父母計劃生二胎。 【點評】考查數(shù)詞,注意根據(jù) Li Hua is going to be an elder brother的語境選擇序數(shù)詞的用法。 seats to audience. A.B.C.D.表示確定數(shù)量要用thousand 的單數(shù),不能與介詞of 連用;表示不確定數(shù)量時,要用復數(shù)形式,同時要在其后加介詞of,thousands of,后接可數(shù)名詞復數(shù)。注意表示確定數(shù)量與不確定數(shù)量的用法。thousandshundredhundreds ofthousands of【答案】 B 【解析】【分析】句意:上周,我們學校5百名學生參加了運動會。 【點評】考查數(shù)詞辨析,注意hundred的用法。threefourth。three fourths。threefourth。threefourths。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,covered 【點評】考查分數(shù)的表達方式。23.—Our school is going to hold the Cultural Festival? —Yes. And each of us can take part in Third。Three。Third。Three。我們每個人能參加三個活動。 【點評】考查數(shù)詞辨析,牢記基數(shù)詞和序數(shù)詞的不同意義和用法。d love to, but it39。s ______ birthday and we will have a celebration. A.ninetiethC.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。注意序數(shù)詞的拼寫和用法。1980, the firstthe 1980s, the first1980s, firstthe 1980s, first【答案】 D 【解析】【分析】句意:倫納德20世紀80年代出生于洛杉磯。在20世界80年代,固定搭配,in the 1980s,his是限定詞,其后是序數(shù)詞,故選D。26.—How often do you go shopping with your sister? —________ a month.A.TwiceC.The second【答案】 B 【解析】【分析】句意:——你多久和你妹妹去購物?——一個月兩次。 【點評】考查副詞,注意根據(jù)how often的語境選擇頻率副詞。ThousandB.Thousand of【答案】 B 【解析】【分析】句意:今年五一勞動節(jié)那天,成千上萬的人參觀了重慶紅巖洞。 【點評】考查數(shù)字表達法辨析。28.Alibaba CEO Jack Ma has decided to retire from his pany in his _________. A.B.C.D.in one39。s fifties,在某人五十多歲時,故選B。注意固定短語,in one39。29.There are about two ________ students in the newly built school. A.B.C.D.表示確切數(shù)字時用基數(shù)詞+thousand,表示非確切數(shù)字時用thousands of。 【點評】考查數(shù)學詞表達,注意平時識記。seventhB.ninthD.A 第七;B 第八;C 第九;D 第十。 【點評】考查序數(shù)詞。