高二英语教案：高二英语下册Unit13复习教案(9)
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▲ 注意：重复性较强的时候，多用keep doing (sth.)。 She kept coughing all night. 她整夜咳嗽。 ▲ 注意：keep后面接行为动词，不能接sitting，standing，lying，sleeping等表示静态的动词。如：不能说He kept on sitting. 这时应用keep。如：可以说keep lying／standing／sitting there； ▲ keep和keep on后均不可接意识性动词如knowing，realizing，understanding等。 ① There used to be a soldier at the gate to keep watch. 过去大门口通常有一士兵警戒。② They kept close watch on the child's health. 他们密切关注着孩子的健康。③ The police had to keep the crowd back. 警察只好挡住人群。④ She could hardly keep back her tears. 她忍不住哭了。⑤ Once you get in touch with her, you should keep in touch with her. 一旦你与她取得联系，你应与她保持联系。⑥ I'll keep my promise／word and come to help you. 我会信守诺言来帮助你。⑦ The rain kept on (= went on／lasted)several days. 雨一连下了好几天。⑧ I hope the weather will keep up (= stay fine). 我希望这样的天气会持续下去。⑨ Keep up your courage (= Don't lose heart) and never give up. 鼓起勇气，千万不要灰心。⑩ He could hardly keep up with the class though he often works deep into night. 他尽管常用功到深夜但仍很难跟上。? Keep off the door. It's wet painted. 别碰门，刚油漆过。? Shut the door and keep the cold out. 把门关上，不要让寒风进来。? Keep out of trouble while I'm away. 我不在时别闯祸。 ▲ 拓展：keep watch 警戒；守望; keep close watch on 密切关注; keep...back 阻挡；忍不住; keep in touch with 与……保持联系; keep one's promise 守诺; keep on = go on = last 持续; keep up 保持；鼓起; keep up with 跟上; keep off 远离; keep…out (of) 保持……在外; keep to the right 靠右走; keep to bed 卧床不起 ▲ steady (1) adj. 坚固的 Hold that candle steady. 把那支蜡烛拿稳。(2) adj. 平稳的；有规律的 The economy is keeping up a steady speed. 经济保持稳定的增长。(3) adj. 不变的；稳定的 We have a steady job.我们有一个稳定的工作。(4) adj. 可靠的；稳健的She needs to marry someone steady. 她必须跟可靠的人结婚。 19.This circulation adds energy to the marine ecosys- tems…这种循环使海洋生态系统增加了能量… (p.20 Ocean Motion 第3－4行) add to和add up to ▲这两个词组的意思完全不同。前者意为“增加”，后者作“总计”解。如：① Would you please add these names to your list? 请在你的名单上加上这几个名字好吗? ② We have also added t0 our committee two women workers. 我们委员会也吸收了两名女工当委员。③ The music added to our enjoyment of the film. 这部电影的音乐使我们更加喜欢这部电影。④ Every book you need will add to your store of knowledge. 你每读一本书就会增加一点儿知识。 ▲add up to意为“总数是”“加起来是”。如：① The separate numbers add up to 485. 这些单独的数字加起来总数是485。① Seven and nine add up to sixteen. 7加9等于16。① Their knowledge 0f how other people live doesn't add up to much. 他们关于别人生活情况的了解合在一起也没有多少。 【注】add up to还可用于引申意义，表示“意味着”“等于说”。如：① Your long answer just adds up to a refusal. 你这冗长的回答就等于是拒绝。②She gave many excuses, but what they added up to was that she did not want to come.她提出了种种借口，但只不过说明她不想来。③ It all adds up to this--he is not an honest man.这一切都说明，他这个人不诚实。 Section III 词汇、语法、综合技能 (责任编辑：admin) |
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