open1、open1)用作动词：打开门，经营、开办open a door/ window/ a small shop/ one’s hand/ one’s eyes/ one’s mouth/ fire开门/ 开窗/ 开一家小商店/ 张开手/ 睁开眼/ 张开嘴/ 开火；be opened to traffic 通车；open up 开采（发）Now,he opens a small factory of his own. 现在他自己办了个厂。Open the door, please! 请开门！2）用作形容词,表状态，“开着的”：keep open 开着门；be open 开门、开业；cut…open 切开；leave the door open 开着门； in the open air 在野外；an open secret 公开的秘密；keep one’s eyes open 睁眼。Don’t keep the door open. 别让门开着（即：请把门关上）。3) be open to 对……开放Many school libraries are open to children on Sundays. 不少学校的图书馆周日给孩子们开放。 选择正确答案①John was so sleepy that he could hardly keep his eyes________.(MET’92)A.open B.to be openedC.to open D.opening②Some new oilfields ________since 1976.A.were opened up B.has been opened upC.have been opened up D.had been opened up③The computer center, _________ last year,is very popular among the students in this school.A.open B.openingC.having opened D.openedKey:①A ②C ③D2、open up(1)开门，展开，打开open up = open the door 开门open up the parcel 打开包裹(2)（景色等的）展现A beautiful view opened up before us. 一幅美景展现在我们面前。 (3)开发，开辟，创建open up a new situation / a bright future / more waste land开创一个新局面/美好的前程/开辟更多荒地(4)吐露真情She never opened up to me on the subject. 关于那个问题，她从未对我开诚布公。3、orderorder food 叫食物 order n.&vt./vi. 订购……place an order for sth. 订购…… order sth.from… 向……订购……order sb.sth. ?order sth.for sb. 为某人订购……I have ordered you some new clothes.
