About _______ of the surface of the earth _______ covered with water.

A. three quarter, is B. three quarters, has C. three quarters, is D. three quarter, are

C 【解析】句意：地球表面大約四分之三被水覆蓋著。be covered with意思是“被……所覆蓋”，首先排除B答案；分數(shù)后面的名詞為單數(shù)名詞earth，根據(jù)主謂一致的原則，只能用is；quarter是可數(shù)名詞，three quarters四分之三，故答案為C。

It will take _______ time to finish the work.

A. one and a half years’ B. a year and half C. one and a half year’s D. a year and half’s

A 【解析】句意：完成這項工作需要一年半的時間�！耙荒臧搿笔莖ne and a half years，且后面的time和years是所有格關(guān)系，所以用years’。故答案選A。

--- How long will you stay here?

--For ________ .

A. one and two day’s B. one and two day C. a day or two D. one or two day

C 【解析】句意：——你要在這里停留多久？——一兩天。一兩天有兩種表達方式：a day or two或one or two days，故答案為C。

When he moved to Germany in ______, he was already in _________.

A. the fifties; his sixties B. fifties ; his sixties C. his fifties; his sixties D. fifty; sixty

A 【解析】考查數(shù)詞的用法。In the fifties“在五十年代”；in one’s fifties“在某人五十多歲時”。句意“當他在五十年代移民到德國時，他已經(jīng)六十多歲了�！惫蔬xA。

My brother lives in ______ on ______ floor.

A. six Room ;second B. Room Six ;the second

C. Room six; two floor D. the room six ; the second

B 【解析】句意：我弟弟住在二樓的六號房間。此題主要考查基數(shù)詞的編號。在通常情況下，名詞編號有這幾種表示法：1.事物名詞+基數(shù)詞，且每個單詞的首字母都要大寫。如：Room Six；2. 定冠詞the+序數(shù)詞+事物名詞。如：the second floor。故答案為B。

December is _______ month of the year.

A. twelve B. twelfth C. the twelfth D. the twelve

C 【解析】句意：十二月是一年當中的第十二個月份。結(jié)合句意可知，此處考查序數(shù)詞的用法，第十二為twelfth，同時序數(shù)前用定冠詞the，故答案為C。

This took place in the ______ .

A. 1940 B. 1940s C. 1940es D. 1940th

B 【解析】句意：這件事情發(fā)生在20世紀40年代。年代的表達：用“定冠詞+(世紀百位進數(shù)+十位年代數(shù))+s”表示，例：在二十世紀三十年代 寫作：in the 1930s，讀作：in the thirties of the twentieth century或 in the nineteen thirties。因為空前有the，因此不能選擇A，結(jié)合句意，正確答案為B。

It is only _____ from my home to the train station.

A. ten minutes walk B. ten-minutes walk C. ten minutes ‘s walk D. ten minutes’ walk

D 【解析】句意：從我家到火車站步行只有十分鐘的路程。步行10分鐘的路程的兩種英語表達：1.a ten- minute walk(記住帶連字符時，名詞要用單數(shù)形式)；2. a ten minutes' walk。第一種表達為復合形容詞用作定語，第二種表達為名詞所有格。故答案為D。

There are ______ in this building , I live on ______.

A. nine floors ,the ninth floor B. nine floor, the ninth floor

C. nine floor , nine floors D. ninth floor,the ninth floor

A 【解析】句意：這幢樓有九層，我住在第九層�；鶖�(shù)詞表示數(shù)量的多少，基數(shù)詞大于1時，后跟可數(shù)名詞復數(shù)形式，排除B, C；序數(shù)詞表示順序，后跟可數(shù)名詞單數(shù)，序數(shù)詞的前面要加定冠詞the，故答案為A。

The water behind the Three Gorges Dam should be ____higher than down-stream.

A. sixty-five metre B. sixth-fifth metre

C. sixty-five metres D. sixth-fifth metres

C 【解析】試題分析：sixty-five修飾單數(shù)名詞metre，metre要用復數(shù)形式。sixty-five metres是表數(shù)量的名詞短語修飾比較級higher,表程度。故選C