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A. were invitedC.Friday,可知要用一般過(guò)去時(shí),故選B。twelve。twelfth。twelve。twelfth。 【點(diǎn)評(píng)】考查基數(shù)詞及序數(shù)詞的基本含義及用法。s just a little smaller than the largest one in Wuhan. A.secondA第一,B第二,C第三,D第四,the+序數(shù)詞+最高級(jí),固定搭配,第幾大,根據(jù) It39。the number of。B. fourfifthsthe number of。 【點(diǎn)評(píng)】考查短語(yǔ)辨析及分?jǐn)?shù)表達(dá),注意平時(shí)識(shí)記,理解句意。A: Third第三; B: fourth第四; C: fifth第五。根據(jù)語(yǔ)境和生活常識(shí),選擇正確的序數(shù)詞。Two fifths, isSecond fifths, is分?jǐn)?shù)的構(gòu)成 分子用基數(shù)詞,分母用序數(shù)詞,當(dāng)分子大于一時(shí),分母用復(fù)數(shù)。8.—Which month of the year do you like best? — July, the _________ month, because summer vacation begin in this month.A.B.C.D.根據(jù)常識(shí)可知七月是一年中第七個(gè)月,所以用序數(shù)詞seventh,故選C。fifth。fifth。 【點(diǎn)評(píng)】此題考查數(shù)詞。two hundredstwo hundred 【點(diǎn)評(píng)】考查基數(shù)詞的用法,注意表示確切的數(shù)字時(shí),其后不能用百、千的復(fù)數(shù)形式。ten millionsmillions of【答案】 D 【解析】【分析】句意:2010年,來(lái)自世界各地的數(shù)百萬(wàn)人來(lái)到上海觀看世博會(huì)。12.It39。A序數(shù)詞,第五,B基數(shù)詞,五,根據(jù)the定冠詞可知,定冠詞后是序數(shù)詞,故選A。eighthC.根據(jù)句意,可知九月是一年的第九個(gè)月,故選C。thousand。B. Two thirds Two third【答案】 A 【解析】【分析】句意: 我們學(xué)校的學(xué)生人數(shù)大約是四人。15.There are hundreds ofD.16.Tim likes collecting coins, and he39。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞表達(dá),注意平時(shí)識(shí)記確切數(shù)字與非確切數(shù)字的表達(dá)。sixD. 【點(diǎn)評(píng)】考查序數(shù)詞的基本用法。B.D.注意表示確定數(shù)量與不確定數(shù)量的用法。hundredthousands of【答案】 B 【解析】【分析】句意:上周,我們學(xué)校5百名學(xué)生參加了運(yùn)動(dòng)會(huì)。threefourth。three fourths。threefourth。threefourths。covered21.Having introduced the new equipment, our factory turned outthree times as many carsC. 【點(diǎn)評(píng)】考查倍數(shù)的表達(dá),注意倍數(shù)+as+形容詞+as的用法。分?jǐn)?shù)的表示方法:分子要用基數(shù)詞;分母要用序數(shù)詞,當(dāng)分子大于1時(shí),分母要用復(fù)數(shù)。23.The total number of the citizens in the city has increased to over four _________ this year. A.B.C.D.注意hundred,thousand,million的使用規(guī)則。s still _________ minutes left. It39。twentyD.A第十二;B十二;C二十;D三十,根據(jù)It39。hundred。hundred。當(dāng)你進(jìn)入山谷時(shí),你會(huì)看到有四百多種蝴蝶飛來(lái)飛去。ThousandB. 【點(diǎn)評(píng)】考查數(shù)字表達(dá)法辨析。B.eight hundred ofhundred,百,與基數(shù)詞搭配時(shí),不用復(fù)數(shù)。28.—What should we do now, Mr. Wang? —Please go to Building ________ to wele the ________ new teacher.A.B.C.D. 【點(diǎn)評(píng)】考查基數(shù)詞和序數(shù)詞,注意基數(shù)詞和序數(shù)詞之間的用法區(qū)別。 【點(diǎn)評(píng)】考查數(shù)學(xué)詞的表達(dá),注意平時(shí)識(shí)記確切數(shù)字與非確切數(shù)字的表達(dá)。three fourthD.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