1、Unit 5 A delicate worldPresenting ideas一、完成句子1. _ is that you should make the best of the chance to improve your spoken English. 我想强调的是你应该充分利用这个机会来提高你的英语口语。2. _ cost him his life. (强调结构)是他的粗心驾驶使他付出了生命的代价。3. _ in the exam, I turned him down without hesitation. (省略句)当被要求在考试中帮他作弊时, 我毫不犹豫地拒绝了他。4. He sta
2、red at the distance, _(with复合结构). 他手里拿着一本书, 凝视着远方。5. He has _who are in need of help. (it作形式宾语)他已经把帮助那些需要帮助的人当成了一种习惯。二、阅读理解By now its almost common knowledge that spending time in nature is good for you. Areas with more trees tend to be less polluted, so spending time there allows you to breathe eas
3、ier. Spending time outdoors has been linked with reduced blood pressure and stress and seems to motivate people to exercise more. “So itll come as surprise that theres research showing that spending time in nature is good. There are dozens of papers showing that, ” University of Exeter Medical Schoo
4、l researcher Mathew P. White said. “We get this ideapatients are coming to us and they are asking, Doctor, how long should I spend? And the doctor is saying, I dont really know. ”So White and his team decided to find out by using data collected from nearly 20, 000 people in England through the Monit
5、or of Engagement with the Natural Environment Survey. And their answer? Two hours a week. People who spent at least that much time in nature either all at once or totaled over several shorter visits were more likely to report good health and psychological well-being than those with no nature exposur
6、e. Remarkably, the two-hour standard applied to men and women, to older and younger folks, to people from different ethnic backgrounds, occupational groups, socioeconomic levels, and so on. Even people with long-term illnesses or disabilities benefited from time spent in natureas long as it was at l
7、east 120 minutes per week. While the findings are based on a vast number of people, White cautions that its really just a correlation. Nobody knows why or how nature has this benefit, or even if the findings will stand up to stricter investigation. “I want to be really clear about this. This is in v
8、ery early stages. Were not saying everybody has to do 120. This is really to start the conversation, saying, what would a threshold look like? What research do we need to take this to the next step before doctors can have the true confidence to work with their patients? But its certainly a starting
9、point. ”1. What does White want to figure out in the survey? A. The benefits of being outside. B. How long we should stay in nature. C. The significance of outdoor activities. D. Whether the British spend enough time in nature. 2. What can we learn from the last two paragraphs? A. The two-hour stand
10、ard applies to everyone. B. The reason why nature is beneficial is clear. C. Further study is needed to confirm Whites result. D. The findings of Whites survey have been widely used. 3. What does underlined word“threshold”in the last paragraph mean? A. Strict investigation. B. Following step. C. Hea
11、lthy lifestyle. D. Starting point. 4. What can be the best title for this text? A. Nature and HealthB. Two-hour Staying in NatureC. Tips to Improve HealthD. The Starting Point三、语法填空阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。The polar bear is found in the Arctic Circle and some big land masses as far south as N
12、ewfoundland.While they are rare north of 88， there is evidence 1 they range all the way across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been 2 (poor) studied；however, biologists calculate that there
13、 are about 20,00025,000 polar bears worldwide.Modern methods 3 tracking polar bear populations have been employed only since the mid1980s，and are expensive 4 (perform) consistently over a large area.In recent years some Inuit people in Nunavut 5 (report) increases in bear sightings around human sett
14、lements, leading to a 6 (believe) that populations are increasing.Scientists have responded by 7 (note) that hungry bears may be congregating (聚集) around human settlements, leading to the illusion (错觉) that populations are 8 (high) than they actually are. Of 9 nineteen recognized polar bear subpopul
15、ations, three are declining, six 10 (be) stable, one is increasing, and nine lack enough data.四、书面表达假定你是学生会主席李华，你校计划组织一次“美丽乡村行”活动，请写一则英文通知，内容如下：1活动时间和目的；2活动内容：欣赏自然美景、体验干农活、品尝当地美食等；3报名截止日期：周五下午六点。注意：1词数80左右；2可以适当增加细节，以使行文连贯；3格式已给出，不计入总词数。参考词汇：美丽乡村行Beautiful Countryside TourNotice The Students Union一、
16、完成句子1.What I want to stress2.It was his careless driving that3.When asked to help him cheat4.with a book in his hand5.made it a habit to help those 二、阅读理解1.B。细节理解题。根据第二段最后Doctor, how long should I spend? And the doctor is saying, I dont really know. 和第三段第一句“因此怀特和他的团队决定通过监测自然环境调查, 从英格兰近2万人中收集数据来找出答案”
17、可知, 研究想要弄明白的问题是, 我们应在大自然中待多久。选项B符合题意。2.C。细节理解题。根据倒数第二段内容可知, White认为这一研究虽然涉及很多人, 但这一研究结果只表明了相关性, 结果是否能够经得起验证还需要进一步的调查。结合最后一段I want to be really clear about this. This is in very early stages. 可知, White的研究结论需要进一步研究。3.D。词义猜测题。根据画线部分前文可知, 研究还处于早期阶段。从位置上判断, 画线部分后的代词this指代threshold, 根据the next step可知, thi
18、s 是指研究的起始阶段, 再结合最后一句中的its certainly a starting point. 可知, 画线部分意思为“起步阶段”。4.B。标题归纳题。通读全文尤其是第三段可知, 与那些没有接触自然的人相比, 在自然环境中至少待上两个小时的人无论是一次待够两个小时还是数次合计两个小时更有可能拥有良好的身体和心理健康。所以文章主要讲述了一项研究表明每周接触大自然两小时有益身心健康, 短文的最佳标题为“在大自然中待两个小时”。三、语法填空1that分析句子结构可知，所填词引导同位语从句，解释说明evidence的具体内容，从句中不缺少成分且意义完整，故用that引导。2poorly修饰
19、动词studied应用副词形式poorly。3of/fora method of/for doing sth.做某事的方法。4to perform此处是“主语be形容词不定式”结构，不定式用主动形式表示被动含义。5have reported根据句中的时间状语in recent years可判断用现在完成时。6belief根据空前的不定冠词a可知，此处应填believe的名词形式belief “看法，信念”。7noting介词后接动词时，应用其动名词形式。respond by doing sth.通过做某事回应。8higher根据空后的than可知，此处应用high的比较级形式higher。9t
20、he此处特指确认的19个亚种群，故用定冠词the。10are此处陈述客观事实，应用一般现在时；six指代six polar bear subpopulations，谓语动词应用复数。四、书面表达NoticeOur school proposes to organize a Beautiful Countryside Tour to help students know the great changes taking place in Chinas countryside.We plan to set off at 7 am this Sunday.We can take photos whi
21、le enjoying the natural scenery of the villages.Besides, we can do some simple farm work with the help of the locals and taste the delicious local food there.Only when were that close to nature can we experience its real beauty!Applicants who are interested can sign up here and the deadline is 6 pm.this Friday.The Students Union第11页（共11页）
