wordsandexpressions选修7unit4.ppt

He told me that the can was heated to _______________________ (2) Water the plant regularly, never letting________________(让土壤干枯) 4.dry out (使)变干;干透 (1)他告诉我加热罐子是为了使剩余的食物变干 dry out the leftover food. the soil dry out 5.dry up (河流，湖泊等)干枯；弄干、晒干、变干; (供应、思路) 枯竭 (1) During the drought, the river dried up. (2) The writer’s long separation from social dried up his imagination. (3)太阳很快就会把马路晒干的 _______________________________ The sun will soon dry up the roads. 6 in need 在困难中,在危急中 be in need of sth 需要 have the need for sth 对…的需要 according to the need 根据需要 句意理解: A friend in need is a friend indeed. 患难朋友才是真朋友. (1) 我们应该帮助有困难的人. We should help those in need. (2) 他现在很需要一大笔钱. He now is in great need of much money. 7 stick out 伸出, 突出 stick out for sth 坚持要求某事物 stick to sth 不放弃 (1) She _________________ (伸出脚) and tripped him over. (2) 当车开动时不要把头伸出车窗外. Don’t stick your head out of the window while it is running. (3) Once a decision has been made, all of us should ____ it. A direct to B stick to C lead to D refer to stuck out her foot B 8 up to 多达 be up to sth = be busy doing sth. 忙于 It is up to sb to do sth 由某人负责做某事 What is up? 怎么了? 这些淘气的孩子在忙什么呢? What are these naughty boys up to? 由我负责完成这项任务. It is up to me to do this task. (3) --What do you want to do next? We have half an hour until the football game? -- ____. Whatever you want to do is fine with me. A It just depends B It’s up to you C All right D Glad to hear that B 9 make a difference 有影响,有作用,有差别 make no/ a little/ much/ some difference 无/ 有一点/ 有很大/ 有一些差别 tell the difference between 说出…的差别 be different from 与…不同 make a difference between 区分… (1) 我们应该区分开对错. We should make a difference between right and wrong. (2) 对我来说,他 去不去都没关系. It makes no difference to me whether he goes or not. (3) Does it __ any difference whether we leave at 9:00 or at 10:00?