(
课件网) Unit 5 A delicate world 1.decrease v.(使)变小,(使)减少;降低 n.减少,降低 [语境运用] 完成句子/语境串词 (1)①这种鸟的数量每年都在减少,引起了专家们的关注。 This species of bird every year,causing concern among experts. is decreasing in number (2)②本学期我们班的学生人数从30人减少到25人。也就是说,学生的数量减少了5人。学生们对课外活动的总体参与热情也有所下降。特别是对体育的兴趣,在我们的学生群体中似乎正在下降。 The number of students in our class 30 25 this semester. That is to say,it five.Students’ overall participation in after-class activities also showed enthusiasm.Interest in sports,in particular,seems to be among our student body. decreased from to decreased by a decrease in on the decrease ·decrease (from...) to...(从……)减少到……(指减少后的量) decrease by...减少了……(指减少的量) decrease in...在……方面减少/减小/下降 ·on the decrease 在减少 a decrease in...在……方面的减少 类似用法的短语有: increase by...增加了…… increase to...增加到…… on the increase 正在增加 2.trap n.夹子,陷阱;圈套;困境 v.使困住;使陷入圈套;使陷入困境 [语境运用] 语境串词 狐狸试图给兔子设下陷阱,但兔子很聪明,没有落入陷阱。相反,它诱使狐狸追赶它,让狐狸被困在猎人设下的陷阱里。 The fox tried to the rabbit,but the rabbit was clever and didn’t .Instead,it chasing it, leaving the fox the trap laid by hunters. set/lay a trap for fall into the trap trapped the fox into trapped in ·fall into a trap 落入陷阱/圈套 set/lay a trap for... 给……设下陷阱/圈套 ·be/get trapped in... 被困在……中;陷入…… trap sb into (doing) sth 诱使某人做某事 表示“被困在……中”的短语还有be/get caught in,be/get stuck in,be/get locked in,be/get blocked in等。 3.owe v.应该做;对……负有……的义务;欠;归因于 [语境运用] 完成句子/一句多译 (1)①我没有按时还你的书,应该向你道歉。(应用文写作之致歉信) I for not returning your book on time. ②我有责任完成这个项目,实现我的个人目标。 I and achieve my personal goals. owe you an apology/owe an apology to you owe it to myself to finish this project ③在山顶上,莉莉上气不接下气地说:“多亏了你的鼓励,我才能坚持下来,欣赏到这迷人的景色。”(读后续写之动作/语言描写) Out of breath at the top of the mountain,Lily said,“It is that I can stick to it and enjoy the fascinating scenery.” owing to your encouragement (2)我在英语学习上的巨大进步都要归功于你。(应用文写作之感谢信) ④I you. (owe sth to sb) ⑤I in English learning. (owe it to sb that...) owe my great progress in English learning to owe it to you that I have made great progress ·owe sb sth (=owe sth to sb)欠某人某物 owe sth to sb/sth把……归功于/归因于某人/某物 owe it to sb that...把……归功于某人 owe it to sb to do sth ... ...
