Unit 4  Global warming

6.        existence n.生存[典例]1) anything in existence is reasonable.所有的存在都是合理的。2) in the middle age, no one doubted about the existence of god中世紀時沒人懷疑上帝的存在[重點用法]in existence存在exist v.存在[練習] 漢譯英1) 富裕和貧窮同時存在于這個世界里。       _______________________________________________________________________________________2） 人們認為他是這個世界上最好心的人。       _______________________________________________________________________________________keys: 1) wealth and poverty exist at the same time in the world. 2) he is believed to be the kindest person in existence.7.        refresh v.(使)精神振作, (使)精力恢復, 更新[典例]1) when tired, you can refresh yourself with a cup of tea困時喝杯茶提神2) refresh storage battery in case of being out of energy halfway.給蓄電池充電以免半路沒電。3) the host refreshed our teacups. 主人又為我們斟茶。[練習] 漢譯英1) 長時間工作后，一杯冰水使他精神振作。       _______________________________________________________________________________________2) 有時一件小東西也會喚起人們的記憶       _______________________________________________________________________________________keys: 1) a cup of icy water refreshed him after a long time’s work. 2) sometimes, a small thing all can refresh your memory v. 詞組1.        come about  發生【典例】1) how did this come about? 這是怎么發生的? 2) i don't know how it came about but i've got a dent in the rear of my car. 我不知道是怎么回事，但我的汽車后部有了一個凹痕。[短語歸納] come along  出現, 發生；come out  出來, 長出；come to  達到；come to oneself  蘇醒, 醒悟；come up with   趕上, 提出【鏈接高考】it's already 10 o'clock. i wonder how it ____________ that she was two hours late on such a short trip.      a. came over    b. came out    c. came about     d. came up答案與分析：c。考查動詞come構成的短語。a為“過去”；b為“出來”；d為“出現，到來”；為“發生”。2.        quantities of  大量的[典例]1) before they enter an entrance examination, they have to do quantities of exercise.在參加入學考試前，他們得做大量的練習。2) he drinks large quantities of water every day.他每天都喝大量的水。