冀教版九年級(jí)英語下冊 Lesson46—Lesson48 教材知識(shí)詳解

1、Lesson46Lesson48教材知識(shí)詳解Three percent of all Canadians are First Nations people.百分之三的全部加拿大人是土著民族。統(tǒng)匹percent意為“百分之”，百分?jǐn)?shù)或分?jǐn)?shù)修飾名詞作主語時(shí), 謂語動(dòng)詞取決于名詞的單復(fù)數(shù)。但population除外。如：Sixty percent of the students in our class are boys.我們班里 60% 的學(xué) 生是男生。Seventy percent of the population of this country are farmers.這個(gè)國家70%的人口是

2、農(nóng)民。Now more than half of Canadians have British or French blood.現(xiàn)在一半多的加拿大人有著英國或者法國人的血統(tǒng)。half of意為“的一半”，作主語時(shí)，其謂語動(dòng)詞的單復(fù)數(shù)形式取決于。f后的名詞。其后接單數(shù)名詞或代詞時(shí)，謂語動(dòng)詞用單數(shù)形 式；后接復(fù)數(shù)名詞或代詞時(shí)，謂語動(dòng)詞用復(fù)數(shù)形式。如：Half of the students have gone to the museum. 一半的學(xué)生已經(jīng)去博物館了。Half of the book was finished by the boy.這個(gè)男孩看完了這本書的一半。According to

3、 a survey, the number of European immigrants dropped from 90 percent to 25 percent?.根據(jù)一項(xiàng)調(diào)查，歐洲移民的數(shù)量從百分之九十跌到百分之二十 五，according to意為“根據(jù)；按照”。其中to是介詞，后可接名詞、代詞或從句。如： They divided themselves into three groups according to the age.他們按年齡分成三組。the number of意為的數(shù)目、數(shù)量”,后接復(fù)數(shù)形式，但謂語動(dòng) 詞要用單數(shù)形式。如：The number of the stude

4、nts in the room is seventeen.房間里的學(xué)生數(shù) 是17o用辨析：a number of 與 the number ofa number of指“假設(shè)干，許多，如果a number of+可數(shù)名詞的復(fù)數(shù)形 式”作主語，后面的謂語動(dòng)詞要用復(fù)數(shù)形式。the number of指“的數(shù)目，the number of+可數(shù)名詞的復(fù)數(shù)形式”作主語時(shí)，謂語動(dòng)詞要用單數(shù)形式。如：A number of students were there.許多學(xué)生在那兒。The number of the students in our school is 2,000.我們學(xué)校學(xué)生的人數(shù) 是 20

5、00oCanada welcomes cultural differences in the people who live there.加拿大歡迎居住在那里的人們的文化差異。曲醞 本句是含有定語從句的復(fù)合句。在此復(fù)合句中，修飾名詞或代 詞的從句叫定語從句，被修飾的名詞或代詞叫先行詞，可引導(dǎo)定語從 句的關(guān)系代詞有：that（指人或物），which（指物），who（指人）等。但有 時(shí)只用that不用which, that在從句中作賓語時(shí)可省略。如：Is there anything that I can do for you?有什么我可以為你做的事嗎？（只用that）Did you know e

6、verybody who came to the meeting?你認(rèn)識(shí)參力口會(huì)議的 每個(gè)人嗎？Im looking at the photograph which you sent to me.我正在看你寄給我 的照片。Dont ask your guest to go to the kitchen and serve himself! 不要讓 你的客人去廚房自己動(dòng)手！ask sb. （not） to do sth.意為“讓某人（不要）做某事”,ask后面必 須跟動(dòng)詞不定式作賓語補(bǔ)足語，相同用法的詞還有tell, order等。如：Ask your friends to guess what

7、 is in it?讓你的朋友們猜猜里面是什 么？We each took a cookie and ate it.我們每個(gè)人拿走了一塊餅干，并吃 了它。each只能作定語，修飾單數(shù)名詞，表示整體概念，指兩個(gè)或 兩個(gè)以上的人或事物中的“每個(gè)。every既可作定語，修飾單數(shù)名詞, 又可單獨(dú)使用或與of短語連用，表示個(gè)別概念，指許多人或事物中的 “每個(gè)”。如：There are many trees on each side of the street.大街兩旁有許多樹。 Every room is clean and tidy.每個(gè)房間都很整潔。Debbie dreams of being a police officer.黛比夢想成為一個(gè)