中学英语单词用法复习知识点open和opinion和opera等 open['əʊp(ə)n] adj.敞开的，开着的||v.•打）开，开放 ► He opened the window and looked out.他打开窗户往外看。 短语：1.open up 打开 eg.：computers help us to open up our eyes to the outside world . 电脑帮助打开了我们对外面世界的眼界。 【易错警示】open与turn on Open 表示“打开”，指打开书本、门窗等。例如Don’t open the door；it is so cold outside.不要打开门，外面太冷了。 Turn on 表示“打开”，指打开电视，电灯，煤气，自来水等开关。例如：Turn on the TV. I want to watch the sports program.打开电视，我要看体育节目。 opera['ɒp(ə)rə] n. [C]歌剧 We have taken a box at the opera.  我们已经在歌剧院定了个包厢。 人教高中英语单词mp3 人教版高中英语单词 人教版初中英语mp3 新概念英语第二册答案 operation[ɒpə'reɪʃ(ə)n]  n. [C, U]①手术;②操作，运转 ► Will II need to have an operation?我需要做手术吗？ opinion [ə'pɪnjən] n.[C，U]①看法，见解;②评价，主张;③舆论 ► The boss has a very high opinion of him.老板很器重他.[have a( n)…opinion of sb. /sth.对某人/某事物有……的评价] 短语：1. in one’s opinion 以某人的意见 eg. In my opinion, she should stay at home . 依我看，她应该待在家里。 or[ɔː] conj.①（表示选择）或者；②(表示不确定）大约；③否则，要不然 ► Hurry up，or you’ll be late.快点，否则你会迟到的。 ► Either you or I am to go.你我之间总有一个人要去。[either... or...要么......要么......，连接并列主语，谓语动词和最近的主语保持一致] 选择填空 36. Jack wants _______ cards with his friends after school. A. play              B. to play          C. have              D. to have 37. In China, When old people(老人) celebrate(庆祝) their birthdays, they usually eat ____. A.  B.      C.    D.   38. ---Are they our new teachers? ---Yes. Let _____ say hello to ______   A. we; they            B. us; they          C. we; them      D. us; them 39. Look! The clothes in that store are ______ sale. A. of                B. with              C. to            D. on 40. ---Can I help you? ---Yes, please. I ______ a white T-shirt. A. need        B. have              C. find          D. get 41. Mrs. Green has _______ daughters and Amy is her _______ daughter. A．three; three  B．third; third      C. three; third  D．third; three 42. ---________ is that girl?   --- She is 8. A. What              B. How            C. What time        D. How old 43. ---Are you ______ now? ---Sorry, I’m very busy. A. free        B. happy        C. old            D. late 44. --- _______ don’t you eat hamburgers?    --- Because I don’t want to be fat.    A. When      B. Where        C. Why          D. What 45. Those are ______ cups. They’re white and yellow.    A. Peter and Cindy’s                  B. Peter’s and Cindy    C. Peter’s and Cindy’s                  D. Peter and Cindy 答案： 36-40 BCDDA  41-45 CDACC