高中英语学习材料madeofjingetiejiUnit 4 Wildlife protection全员探究Warming Up1. As a result, many of them have died out.结果，许多物种消亡了。
⑴ as a result[要点导航]as a result 结果是，作为结果。
固定词组，在句中作状语，后面可跟介词of，as a result of意为“因为，由于……的结果”。
例如：He made one big mistake, and________________, lost his job.他犯了个大错，结果丢了工作。
In San Francisco, four hundred people were killed _______________the earthquake．在旧金山有四百人由于地震而死亡。
[思维拓展] result 作为动词常与from和in搭配，注意其含义：result from 因……产生，源自。
例如：Nothing has resulted from his efforts. 他的努力终成泡影。
The terrible fire ______________________________.那次可怕的火灾因他的粗心大意引起。
result in 导致，造成。
例如：The accident resulted in three people being killed.这次事故造成三人死亡。
[短语]as a result 结果，因此as a result of因为，由于……的结果without result毫无结果，徒劳with the result that为此，因此[学以至用]（1）My friend Tom was very sick with a strange fever; _______, he could neither eat nor sleep.A．as a result B．after all C．any way D．otherwise[解析]as a result表示“结果是”；after all表示“毕竟”；anyway表示“无论如何, 总之”；otherwise 表示“否则；要不然”。
根据句子意思，答案为A。
（2）It’s his lazin ess that ________ his failure in the last exam.A. resulted fromB. resulted inC. led intoD. brought in[解析] result from 因……产生，发生；result in 导致，造成；bring in生出、产生或挣得（利润，收入）。
答案为B。
⑵die out[要点导航] die out: disappear completely 灭绝。
例如：Many animals have died out in the past．在过去几年间，许多动物都灭绝了。
This species has nearly died out because its habitat is being destroyed.由于栖息地正受到破坏，这一物种正濒于灭绝。
[思维拓展] die out, die away, die down, die off用法辨析：die out “灭绝，消失”。
多指物种的灭绝或风俗、习惯的消失，强调动作的结束。
例如：This kind of plant has already died out. 这种植物已经绝种。
die away something, especially a sound becomes less strong and then comes to a complete stop 慢慢消失。
（多指声音、光线、风等）逐渐减弱，逐渐模糊，逐渐消失。
强调过程。
例如：The wind had died away by dusk. 黄昏时分风停了。
He hid behind the door until the footsteps had died away．他一直躲在门后边，直到脚步声（完全）消失。
die down （多指火、兴奋、光线、暴风雨等）逐渐变弱、平息，逐渐暗淡，逐渐降低。
表示过程，常可与die away 替换。
例如：The flames finally died down.（也可用die away）火焰越来越小，最后熄灭了。
die off（多指家族、草木）相继死去，先后死亡。
例如：The leaves of this plant are dying off. 这植物的叶子正在凋落。
2. There has been some progress in saving endangered wildlife in China.中国在挽救濒于灭绝的野生动植物方面已经取得了一些进展。
[要点导航] endangered adj. 濒危的，濒临灭绝的。
是动词endanger的过去分词形式，用作分词形容词。
例如：The whale is an endangered species.鲸鱼是一种濒于灭绝的动物。
你还知道哪些其它濒于灭绝的物种呢？____________________________________[思维拓展] endanger vt.危害，使受到危险。
例如：The health of our children is being endangered by the polluted air.我们孩子们的健康正受到被污染的空气的损害。
That one mistake seriously endangered the future of the company.仅那一个失误就严重地危及了公司的未来。
3. loss of bamboo growing areas. 竹子生长区域的丧失。
[要点导航] loss [U]＆[C] 丧失，遗失；损失；减少，降低。
例如：He reported the loss of his car to the police.他向警察报案他的车丢了。
He suffered___________________________ on the business.那笔生意让他损失了10000 美元。
[思维拓展] lose (lost, lost) vt.迷失；丢掉；失败；损失；迟。
例如：She has_____ ______ ______ her work. 她对工作已经失去了兴趣。
He _____ _____ _____in the snowstorm. 他在暴风雪中迷失了路。
We lost the match. 我们比赛输了。
My watch hardly loses a second a day. 我的表一天几乎慢不到1秒钟。
[问题探究] 你知道下面这个句子怎样翻译？We were at a loss what to do.提示：我们不知道该怎么办才好。
at a loss是一个固定词组，“困惑，不知所措”。
lost adj. 迷失的；丢失的。
=missing=gone丢失的骆驼__________________ 迷路的小孩_________________That ship was lost at sea.____________________________________He was lost in thought._____________________________________4. about 30 ～60 after being left in peace with no hunting在确保可以安稳地生活，不允许人们对它们（华南虎）进行捕猎之后，大约生活着30到60只华南虎。
这是一个省略句，相当于There are about 30 ～60 South China tigers after being left in peace with no hunting.[要点导航] in peace 和平地，和睦地，安静地（常与with搭配）。
The two communities live together in peace.这两个社区和平相处。
They simply can’t seem to live ________________each other.他们好像就是不能和睦相处。
I wish you’d leave me in peace--I’ve got work to do.我希望你不要打扰我——我有工作要做。
[思维拓展] peace[U] 和平；宁静，安静；和睦，和谐。
例如：After years of war, the people long for a lasting peace.历经多年战乱之后，人民渴望永久和平。
The countries have been_________ for more than a century.这些国家和平共处已有一个多世纪。
She lay back and enjoyed the peace of the summer evening.她轻松地躺着，享受夏日傍晚的宁静。
[问题探究] 你说出peace构成的常用短语吗？提示：in peace 和睦的，安详的at peace 处于和平状态；平静地make peace 讲和，议和peace of mind 心境的安宁make peace with sb.与……和解hold one's peace 保持缄默5. Why are they in danger of disappearing?它们为什么面临消失的危险呢？[要点导航] in danger 在危险中，病危。
in danger of “有……危险”。
例如：She was sick and in danger.她已病危。
His life was in danger=He was_____ ______ ______ losing his life.他有生命危险。
How many workers are in danger of losing their jobs?有多少工人可能失业？[问题探究] 下面这两句话有何区别？①老虎濒临危险（要采取措施保护老虎）。
______________________________________________②这是只危险的老虎（即要采取措施预防老虎，以免受其害）。
_______________________________________________Reading1.The chair began to rise. 椅子开始起飞了。