高考英语总复习 Unit 4 Global warming课件 新人教版选修6 课件VIP免费

范文背诵：Conserving Water ResourceWater is indispensable to our life and the development of national economy. It is often described as the source of all living things and the lifeblood of agriculture and industry. Without it, nothing could grow out and the world would become a terrible desert.The world we live in is now faced with a severe shortage of fresh water. According to some official figures, more than 1,700 million people in the world don't have enough clear water to drink and over 25 thousand people die of water related diseases daily.So, all of us should actively save water. It's our obligation for the benefit of the future generations.保护水资源对于我们的生活和国家经济的发展来说水是不可缺少的。它通常被描述为万物之源，农业和工业的命脉。没有它，什么也不能生长，世界将会成为一个可怕的沙漠。我们生活的世界正面临着淡水资源的严重短缺。据官方数据，世界上有超过 17 亿人没有足够的清水喝，每天有超过 2.5 万人死于与水相关的疾病。所以我们都应该积极节约用水。这是我们造福子孙后代的义务。1 ． subscribe vi. 同意；捐赠；订阅； vt. 签署文件；捐助→ subscribe ________ 同意；赞成；订购2 ． ________ n ．量；数量→ quality n ．质量；品质Ⅰ. 词汇与拓展toquantity3 ． consequence n ．结果；后果；影响→ ________ consequence(of sth.) 由于；作为……的结果4 ． state vt. 陈述；说明→ ________ is stated that... 据称……5 ． range n ．种类；范围→ ________ range (of sth.) 在可及的范围内；在视 / 听觉范围内inItin/within6 ． glance vi. 看一下；扫视； n. 一瞥→ ________ first glance 乍一看7 ． average adj. 平均的→ ________ average平均8 ． circumstance n ．环境；情况→ in/under ________ circumstances 决不 ( 置于句首，句子部分倒装 )atonno1 ． consume vt. 消费；消耗；耗尽；吃完→ ________ n ．消费者；顾客；用户2 ． random adj. 胡乱的；任意的→ ________ adv. 胡乱地；任意地3 ． phenomenon n ．现象...