A. three-fourth; is
B. three fourths; is
C. three-fourth; are
D. three-fourths; are 【答案】 B
【解析】【分析】句意:地球的四分之三被水覆盖,但是我们的淡水资源越来越少。分数的分子用基数词,分母用序数词,分子大于1时,分母用复数,因此四分之三, three fourths;be covered with,覆盖;句子中的water 是不可数名词,系动词要用is,故选B。【点评】考查分数的表达方式。分子用基数词,分母用序数词,分子大于1时,分母用复数。
29.In 2010, ___________ people from all over the world came to Shanghai to see the World Expo.
A. ten million of
B. ten millions
C. million of
D. millions of
【答案】 D
【解析】【分析】句意:2010年,来自世界各地的数百万人来到上海观看世博会。表示确切数字用基数词+million,表示几百万;表示非确切数字时用millions of,数百万,固定搭配。ten10,基数词,所以用ten million,排除A、B,故选D。
【点评】考查数学词的表达,注意平时识记表示确切数字用基数词+million,表示几百万;表示非确切数字时用millions of,数百万。
30. of the land in that district covered with trees and grass.
A. Two fifths; is
B. Two fifth; are
C. Two fifth; is
D. Two fifths; are
【答案】 A
【解析】【分析】句意:在那片区域五分之二的土地被树和草覆盖着。分数由基数词和序数词构成,分子用基数词,分母用序数词,分子大于1时,分母用复数,所以五分之二的表达为two fifths。且land 作为集体名词是不可数名词,谓语应用单数形式,所以用is,故选A。
【点评】考查分数的表达和be动词用法。注意分数的表达,分数由基数词和序数词构成,分子用基数词,分母用序数词,分子大于1时,分母用复数。
31. of the teachers in our school is 118, ______of them are women teachers
A. The number,first fourth
B. The number,one fourth
C. A number,one second
D. A number,three quarters
【答案】 B
【解析】【分析】句意:我们学校的教师总数是118人,其中有4分之1是女教师。the number of...谓语动词单三式,a number of...谓语动词复数形式,根据is排除C和D选项,one fourth,固定搭配,4分之1,分子用基数词分母用序数词,故选B。
【点评】考查分数的表达,注意分子用基数词分母用序数词表示分数的用法。
32.— It's excited to hear that Jessie J got the King of Singer in the end.
— Yes, it's her _____ time to get the first prize.