1、Unit 3 The world meets ChinaDunhuang， a gateway to and from Ancient China， has a long and glorious history. In recent years， the government has kept an eye onforest coverage around Dunhuang in order to protect the treasures. If only action had been taken prior to the environmental decline. But its n
2、ot too late. Scholars and historiansthink highly ofwhat they have done. The relevant departments will alsostrengthen the commitment to environmental protection. Its believed that it wont be long before we achieve enormous success.1strengthenvt.&vi.加强，（使）变强1.The publication of GreatExpectations， whic
3、h was both widely reviewed and highly praised， strengthened（strength） Dickens status as a leading novelist.2.To make trainees of a team perform better， the trainer first of all has to know their strengths and weaknesses（了解他们的优缺点）.3.Practicing Chinese kung fu can not only build up ones strength（增强一个人
4、的体力），but also develop ones character.（strength）（中国文化）strength n.体力，力量；优势；强度build up ones strength 增强体力strengths and weaknesses 优缺点2coveragen.覆盖范围；新闻报道；保险范围1.结合语境写出下列句子中画线部分的含义I was disappointed to see the lack of coverage of this groundbreaking scientific research.新闻报道They are complaining about the
5、deficient medical insurance coverage.保险范围Because of using wood for fuel， the countrys forest coverage dropped by nearly 10 percent from 1992 to 2018.覆盖范围2.再往上走，天气变了低低的云层笼罩着山坡，山坡上长满了茂密的草。（读后续写之景色描写）Further up， the weather changes low clouds envelop the mountainsides， which are covered with/by thick g
6、rass.3.我们的新学校体育场占地约6 000平方米，是旧体育场面积的三倍。Our new school stadium covers an area of about 6，000 square meters， which is three times the size of the old one.cover vt.包含，涉及；遮盖；覆盖；行走（一段路程）；报道；占（一片面积）；足以支付n.封面；套子coverwith用遮盖be covered with/by被覆盖/遮盖cover an area of占地面积为3keepaneyeon照看，留意用eye的相关短语完成句子1.Weve as
7、ked the neighbours to keep an eye on the house for us while we are away.2.Linda has an eye for fashion， which makes her a very good shopping companion.3. In my eyes（在我看来）， his perseverance may account for his great achievement in his research work.4.Although you should be praised for accomplishing y
8、our composition ahead of time， you cannot shut/close your eyes to those grammar and spelling mistakes.have an eye for对有鉴赏力（或识别力、眼力）shut/close ones eyes to对视而不见in ones eyes 在某人看来4thinkhighlyof高度评价1.他为社区里的穷人做了很多事情，人们对他评价很高。He has done so much for the poor in his community that people think highly of h
9、im.2.这项活动备受推崇，因为它不仅为我们提供了锻炼的机会，而且使我们更加团结。（活动介绍）The activity is highly thought of， because not only does it provide chances for us to exercise， but it also makes us more united.当think highly of 用于被动语态时，副词highly应放在thought之前，且of不能遗漏，即构成be highly thought of结构。5ifonly但愿，要是就好了1.Johnson， come and look at t
10、he sea！ Its beautiful， isnt it？Absolutely！ If only I lived by the sea（要是我住在海边就好了）.2.I left for Beijing yesterday. If only she had come to see me off（要是她来送我就好了）.3.如果我是只鸟，能在天空中自由地飞翔就好了！ If only I were a bird and could fly freely in the sky！if only常常用来表达强烈的愿望或遗憾，其后的句子多用虚拟语气：表示现在没有实现的愿望谓语用一般过去时（be动词通常用w
11、ere）；表示过去没有实现的愿望谓语用had过去分词形式。动词后缀-en和前缀en-动词后缀-en表示使，使成为，变得；动词前缀en-表示使成为，使处于状态。-enen-本单元strengthen v.加强拓展weaken v.削弱；（使）虚弱encourage v.鼓励threaten v.威胁enlarge v.扩大frighten v.使惊吓endanger v.使遭危险，危害deepen v.（使）变深；加强enrich v.使丰富，充实shorten v.（使）变短ensure v.保证，确保，担保从构词示例中选择适当的单词，并用其正确形式填空。1.江苏高考Wildlife has
12、been greatly threatened in the modern age.There are species（物种） that are disappearing every day.2.北京高考One idea is that sleep helps us strengthen new memories.Thats why students do better in tests if they get a chance to sleep after learning.3.With encouragement from my friends， I had one of my poems
13、 sent to the magazine.4.Following the planned time will ensure you have enough sleep to get to those early classes and stay wide awake.5.Our tour also includes a chance to walk in the footsteps of Xu Xiake.Fields of flowers， tiled roof（瓦屋顶） villages and tasty meals enrich this wonderful experience.6.We should take action to save endangered animals and plants， and set up special areas to protect them before the next extinction comes.
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