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【應(yīng)掌握的句子】1.How often do you exercise? 你(你們)多久鍛煉一次身體? How often + 助動(dòng)詞do(does或did) + 主語 + do sth.? 疑問詞how often是問頻率(多久一次),(在這里助動(dòng)詞do(does或did) 是起幫助構(gòu)成疑問的作用)與一般現(xiàn)在時(shí)或一般過去時(shí)連用,回答一般是用表示頻率的副詞,如:once, twice, three times, sometimes, often, quite, often, never, every day, once a week , twice a month , three times a month , three or four times a month 等。翻譯:“你們多久到工廠去一次?”“每星期兩次?!?(“How often do you go to the factory?” “Twice a week. ”)“他多久去購一次物?”“一個(gè)月一次。” (“How often does he go shopping?” “He goes shopping once a month.”)2. “What do you usually do on weekends?” “ I usually play soccer.“周末你通常做什么?”“我通常踢足球?!钡谝粋€(gè)do為助動(dòng)詞, 在這起幫助構(gòu)成疑問的作用;而第二個(gè)do則是實(shí)義動(dòng)詞。 翻譯: What do you usually do on weekends? I often go to the movies. What does she usually do on weekends? She sometimes go hiking. 3. As for homework , most students do homework every day . as for.意思是“至于;關(guān)于”,常用于句首作狀語,其后跟名詞、代詞或動(dòng)詞的-ing形式(即動(dòng)名詞)。如: As for him,I never want to see him here. 至于他,我永遠(yuǎn)不希望在這里見到。 As for the story,youd better not believe it. 關(guān)于那故事,你最好不要相信。翻譯:至于我自己,我現(xiàn)在不想去。 (As for myself, I dont want to go now. )至于那個(gè)人,我什么都不知道。(As for the man, I know nothing about him.)4. Mom wants me to get up at 6:00 and play ping-pong with her . want to do sth. 意思是“想要做某事”; want sb. to do sth.意思是“想要某人做某事”。如:Do you want to go to the movies with me?你想和我一起去看電影嗎?The teacher doesnt want us to eat hamburgers.老師不想讓我們吃漢堡包。5. She says its good for my health. be good for.表示“對有益(有好處)”;其反義為:be bad for.。 (這里for 是介詞,后跟名詞、代詞或動(dòng)名詞)如:Its good for us to do more reading. 多讀書對我們有好處。Reading in bed is bad for your eyes.在床上讀書對你的眼睛有害。6. I try to eat a lot of vegetables , usually ten to eleven times a week . try to do sth.表示“ 盡力做某事 ” ,不包含是否成功的意思,而try doing sth.表示“(用某一辦法)試著去做某事”。如: Youd better try doing the experiment in another way. 你最好試試用另一種方法做這個(gè)試驗(yàn)。7. My healthy lifestyle helps me get good grades. help sb.(to) do sth.幫助某人做某事8. Is her lifestyle the same as yours or different? Is her lifestyle the same as your lifestyle or is her lifestyle different from yours? be the same as / be different from 9. A lot of vegetables help you to keep in good health . keep in good health = keep healthy = stay healthy10. You must try to eat less meat .try to do sth.表示“ 盡力做某事 ” ,不包含是否成功的意思,less是little的比較級11. That sounds interesting.這是“主語+系動(dòng)詞+表語”結(jié)構(gòu)的簡單句。sound(聽起來),look(看起來),smell(聞起來),taste(嘗起來),feel(覺得),seem(好象),grow(變得),get(變得)等詞在英語中可用作系動(dòng)詞,后跟形容詞作表語。如:It tastes good. 這味道好。 The music sounds very sweet. 這音樂聽起來很入耳。The smoke grew heavier and heavier. 煙霧變得越來越濃了。【詞語辨析】一、maybe / may be 1. The baby is crying she is hungry. 2. The woman a teacher .maybe 是副詞,意為“大概, 可能,或許”,一般用于句首。May be是情態(tài)動(dòng)詞,意為“可能是.,也許是.,大概是.”.二、a few / few / a little / little 1. people can live to 100,but people can live to 150. 2. There is time left, I dont catch the first bus. 3. Could you give me milk? a few (少數(shù)的,幾個(gè),一些)a little (一點(diǎn)兒,少量)表示肯定few (很少的,幾乎沒有的) little (很少的,幾乎沒有的)表示否定修飾可數(shù)名詞修飾不可數(shù)名詞三、none / no one 1、 of the pens are mine . 2、 is in the classroom.none指人或物,強(qiáng)調(diào)數(shù)量,用how many提問,常與of連用。no one 多指人,強(qiáng)調(diào)“無人”這種狀態(tài),用who提問,不可與of連用,作主語時(shí),其謂語動(dòng)詞用第三人稱單數(shù)形式。四、hard / hardly 1. The ground is too to dig 2. I can understand them.3. Its raining ,the people can go outside. hard作形容詞,意為“困難的,艱苦的,硬的”;作副詞,意為“努力地,猛烈地”。Hardly意為“幾乎不”。Unit 21.How often does Kate go hiking?_A. I guess shes OK. B. About an hour .C. Once the week. D. Twice a week.2.There are 50 students in our class. 75% students like going hiking. What does “75%” mean?A. None of the students. B. All the students. C. Most of the students. D. Some of the students.3.They usually do some office work weekdays. A. in B. on C. at D. both B and C4.I have time to have lunch. A. sometimes B. hard C. hardly D. already5._do you go shopping? Every Sunday.A. How soon B. How many times C. How much D. How often6. _do you have a class meeting? Once a week.A. How muchB. How oftenC. What timeD. How long7.I see her in the supermarket. A. sometime B. some timeC. sometimesD. some times8. _did you watch TV? About two hours.A. How farB. How oftenC. How soonD. How long9.The results “watching TV” are interesting. A. at B. in C. for D. on10.He is a good student. He late for school.A. isnt never B. is often C. is always D. is hardly ever11.Most students exercise three times a week.(就劃線部分提問) _ _do most students exercise?12.I sleep nine hours every night.(就劃線部分提問) _ _hours do you sleep every night?13.My favorite program is Animal World.(就劃線部分提問) _ _your favorite program?14.My sister often goes to a movie on weekends.(就劃線部分提問)_ _your sister often on weekends?15.She sometimes does her homework at school.(就劃線部分提問)_ _does she her homework at school?16._ is “Lucky 52” shown on CCTV-2? Every week. A. How often B. How long C. How soon D. How many times17.How was the weather yesterday? It was terrible. It rained _. People could go out. A. hardly; hardly B. hard; hard C. hard; hardly D. hardly; hard18.-_ _do you exercise? Four times a week. A. How much B. How often C. How long D. How many19.My father plays basketball _ (two) a week.20.Jodie often _ (exercise) in the park. 21.Maria is _ (act) at school.22.He _ (watch) TV every night.23 .How often does your mother exercise?_ (one) a week.24.你周末通常做什么?_25.我通常踢足球。_26.他多久看一次電影?_ 27.他一周看一次。_ 28.你最喜愛的電視節(jié)目是什么?_29.我妹妹一周看二至三次電視。_30.至于家庭作業(yè),大部分學(xué)生天天做。_31.Children like drinking _ (牛奶).32.What would you like, _ (咖啡)or cola?33.ating a lot of fruits is good for our h_.34.There are some _ (不同) between you and me.35.吃得太多有害于我們的健康。(be good for)_36.我將盡力把這份工作干好。(try to do sth.)_37.他也許是一位老師。(maybe)_38.我有許多作業(yè)要做。(a lot of/ lots of)_39.雖然他已80歲了,但他還相當(dāng)健康。(although/ though)_40.My mother told me _ you anything.A. tell notB. not tell C. to not tellD. not to tell41.“Ill try mistakes again. ”She said.A. dont makeB. not to makeC. not makeD. to not make42.Would you like to eat?A. something healthy B. anything healthy C. something health D. healthy something43.Doing morning exercises your health.A. is bad to B. is good for C. is bad for D. is good to44._he works very hard, he fails.A. Because B. Since C. if D. Although45.A lot of vegetab
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