Unit 1 Wish you were hereGrammar and usageNon-restrictive relative clauses1.Find the sentences with non-restrictive relative clauses in the article.These industries,in turn,give jobs to the local population,whose welfare depends on tourism.The prices of tourist essentials such as transport,accommodation and food usually increase too,which brings even more wealth to the surrounding community.More nature-centred tourist attractions,where man and nature live in harmony,can be greatly impacted or even destroyed by the flood of tourists.Exploring the rulesAs resources are used more rapidly than they can be sustained,wildlife habitats are likely to suffer,which could endanger the local plants and animals.Local festivals and customs,which may have deep meaning in a particular culture,can simply become entertainment for tourists.Exploring the rulesWe usually introduce a non-restrictive relative clause with a relative pronoun like who,whom,which and whose or a relative adverb like when and where.The relative pronoun or adverb cannot be left out in a non-restrictive relative clause.We can use which in a non-restrictive relative clause to refer to the main clause as a whole.Exploring the rulesB1:Rewrite the sentences using non-restrictive relative clauses.(1)My parents went on a tour of Japan with 20 people.Some of them had never been abroad before.(2)My favourite place to visit is a little village near Shanghai.My grandma was born there.Applying the rulesMy parents went on a tour of Japan with 20 people,some of whom had never been abroad before.My favourite place to visit is a little village near Shanghai,where my grandma was born.(3)Dr Luo will give us a tour of Beijing.He is an expert in Chinese history.(4)Id rather visit Europe in summer.The weather is at its best in summer.(5)Im reading a guidebook to Rome.It is really fascinating and helpful.Dr Luo,who is an expert in Chinese history,will give us a tour of Beijing.Applying the rulesId rather visit Europe in summer,when the weather is at its best.Im reading a guidebook to Rome,which is really fascinating and helpful.B2:c,a,d,bApplying the rulesExpressions:on P6:the lifeblood of the communitiesservice idustriesHowever,booming business is not always a bed of roses.nature-centred tourist attractionslive in harmonybe greatly impacted by the flood of touristswildlife habitatsbe at riskbe put in harms wayresult in the loss of respect for the local cultureaim to be responsibleon P7:sustainable tourism/tourists make a positive impact on.enhance opportunities for the future in an environmentally friendly manner travel on local public transport or even on foot cut back on water consumption in summary come down to be on display a strict dress codewelfaresustainmanner1.,whose welfare depends on tourism1)someones welfare is their health and happiness The welfare of the individual is bound up with the welfare of the community.practical or financial help that is provided,often by the government（政府給予的）福利We intend to make child welfare one of our priorities.welfare benefits/services/programmes welfare lottery 3)money that is paid by the government to people who are unemployed,poor,or sick 社會保障金They would rather work than live on welfare.這個社區(qū)的大多數(shù)人都靠救濟生活。Most of the people in this neighborhood live/are on welfare.2.As resources are used more rapidly than they can be sustained,.1)to make sth continue for some time without becoming less 使保持；使穩(wěn)定持續(xù)She found it difficult to sustain the childrens interest.The country is enjoying a period of sustained economic growth.2)to provide enough of what sb/sth needs in order to live or exist 維持（生命、生存）Which planets can sustain life?The love and support of his family sustained him during his time in prison.3)to experience sth bad 遭受；蒙受；經(jīng)受(=suffer)to sustain damage/an injury/a defeat The company sustained losses of millions of dollars.Government should encourage business to invest more on _ energies.sustainableable to continue without causing damage to the environment3.i an environmentally friendly manner.1)the way in which something is done or happensmanner of(doing)sthIt seemed rather an odd manner of deciding things.in a.mannerI had hoped you would behave in a more responsible manner.The manner in which the decision was announced was extremely regrettable.2)the way in which someone behaves towards or talks to other peopleHis manner was polite but cool.manner towardsSomething in Beths manner towards him had changed.manners plural 3)polite ways of behaving in social situations禮貌；禮儀Her children all had good manners/no manners.Its bad manners to talk with your mouth full(=talk and eat at the same time).Dad gave us a lecture about our table manners.You mind your manners,young man!4)the customs of a particular group of people規(guī)矩；習俗a book about the life and manners of Victorian London