1、B1 Unit4 语法复习由关系副词引导的限制性定语从句-Good health depends on our daily routine and lifestyle.goes to sleep at 10 p.m.and gets up at 6:30 a.m.often skips breakfast likes eating fruit and vegetables likes drinking milk tea does not like outdoor activities stays up until 11:30 p.m.and gets up at 6:30 a.m.has br
2、eakfast everyday likes eating hamburgers likes drinking fresh juice and yogurt enjoys playing sport in his spare timeCarolTomsleep problems Are you getting enough sleep?As we all know,sleep is a basic bodily and mental need _ is essential for your survival.Some people get off to sleep as soon as the
3、 head hits the pillow,but many others are not so lucky.Scientists at the University of Athens in Greece conducted a survey of over 35,000 people in 10 countries around the world.Of the people _ responded to the survey,24 per cent said they did not sleep well and are easily woken.Based on their respo
4、nses,31.6 per cent were diagnosed with insomnia(失眠失眠),_ main symptom is sleep disorder.In addition,30.7 percent of the respondents,_ the scientists thoroughly surveyed,reported visiting a doctor for help with sleep problems.Plainly,the lack of quality sleep has become a public health issue around th
5、e globe.Problems:which/thatwhosewho/thatwhomu Relative pronouns:which(for things);who&whom(for people);that(for both things and people);whose(show possession)Effects:n People who are short of sleep for a period of time are more likely to:feel tired have trouble concentrating have a poor memory be ov
6、erweight be in a bad mood have mental problems such as anxiety and depression suffer a heart attackn Teenagers who dont sleep well may experience the situation.Their body development slows down and health suffers in the situation.Teenagers who dont sleep well may experience the situation which their
7、 body development slows down and health suffers in.Teenagers who dont sleep well may experience the situation _ _their body development slows down and health suffers.Teenagers who dont sleep well may experience the situation _their body development slows down and health suffers.in whichwhereu We oft
8、en use the relative adverb where to introduce a restrictive relative clause after nouns like place,house,city,country,world and some other nouns of abstract places like situation,position,condition,point,case,activity,etc.People who work in the workplaces _ they are under constant pressure have more
9、 sleepless nights.It is reported that the situation in Wales is rather serious _hundreds of children were being treated for sleep problems.in the workplaceswhere in Waleswhere关系副词关系副词where引导定语从句，修饰表示引导定语从句，修饰表示地点地点的先行词的先行词 Sleep is a restorative process _ peoples body functions can be promoted.BBC j
10、ournalist Michael Mosley produced a TV document in May _ he talked about his battle with insomnia(失眠失眠).in the processwherewhere in the document People who work in the workplaces where they are under constant pressure have more sleepless nights.It is reported that the situation in Wales is rather se
11、rious where hundreds of children were being treated for sleep problems.Sleep is a restorative process where peoples body functions can be promoted.BBC journalist Michael Mosley produced a TV document in May where he talked about his battle with insomnia(失眠失眠).in which在正式场合，关系副词在正式场合，关系副词where可以用可以用
12、“介词（介词（in/at/on/under.）+which”来代替来代替Causes:n People suffer from lack of sleep due to:noise and light pollution pressure from school or work drinking coffee or alcohol before bedtime technology use(cellphones or computers)being over-excited before going to bed improper sleeping environment n People s
13、uffer from lack of sleep.One of the reasons was pressure from school or work One of the reasons which people suffer from lack of sleep for was pressure from school or work.One of the reasons _ _ people suffer from lack of sleep was pressure from school or work.for which One of the reasons _ people s
14、uffer from lack of sleep was pressure from school or work.whyu We often use the relative adverb why to introduce a restrictive relative clause indicating reason.关系副词关系副词why引导定语从句，修饰表示引导定语从句，修饰表示原因原因的先行词的先行词 the reason在正式场合，关系副词在正式场合，关系副词why可以用可以用 “介词介词(for)+which”来代替来代替n I miss those days.I used to
15、sleep well in those days.n Do you remember a time?You had no worries stopping you from getting a good nights rest during the time.n The days are gone.We could enjoy quality sleep in the days.I miss those days which I used to sleep well in.I miss those days _ _ I used to sleep well.I miss those days
16、_ I used to sleep well.in whichwhen Do you remember a time _ _ you had no worries stopping you from getting a good nights rest.during which Do you remember a time _ you had no worries stopping you from getting a good nights rest.when The days are gone _ we could enjoy quality sleep.when关系副词关系副词when引
17、导定语从句，修饰表示引导定语从句，修饰表示时间时间的先行词的先行词We often use the relative adverb when to introduce a restrictive relative clause after nouns like time,day,period,moment,season,year,etc.and some other nouns of abstract time like occasion,age,interval,stay,visit,etc.I miss those days when I used to sleep well.I cant
18、 even remember a time when I had no worries stopping you from getting a good nights rest.The days are gone when we could enjoy quality sleep.n Occasions are rare _ I can have a good nights sleep.when在正式场合，关系副词在正式场合，关系副词when可以用可以用 “介词（介词（in/during/at/on/.）+which”来代替来代替=in/during which=during which=on
19、 which Do you remember a time when you had no worries stopping you from getting a good nights rest.Teenagers who dont sleep well may experience the situation where their body development slows down and health suffers.One of the reasons why people suffer from lack of sleep was pressure from school or
20、 work.=during which=in which=for which在正式场合，关系副词在正式场合，关系副词 when,where,why 可以用可以用“介词介词+which”来代替。来代替。Every one needs sleep,_ _ we cant live a healthy life.He always uses his cellphone or computer until 11 p.m.,_ our body is supposed to have entered“sleep mode”.without whichby which time有时有时 “介词介词+whi
21、ch”不一定不一定能转换成能转换成关系副词关系副词。when where Tips:n There are a number of things people can do to get a good nights sleep.get plenty of exercise during the day go to bed and wake up around the same time each day make your bedroom a comfortable and peaceful place avoid coffee,tea,soft drinks,sweets or salty
22、snacks before bedtime remove stress and anxiety from your head before sleeping have a cup of warm milk take a warm bath listen to quiet music Your bedroom should be shaped to your taste and allow you to sleep in a peaceful environment.Your bedroom should be designed,decorated and used for sleep only
23、.Design and decorate your bedroom as a peaceful place _ you can sleep soundly.wherein which Establishing regular sleeping and waking times can help improve the quality of your sleep.Try to stick to your sleep schedule even at weekends,even though you feel like a lie-in at that time.Establish regular
24、 sleeping and waking times,even at weekends _ you feel like a lie-in.whenat which Clear your head of stress and worry from your day before bedtime.These negative thoughts may contribute to your staying awake after the light goes off.Clear your head of negative thoughts which may be the reasons _ you
25、 stay awake after the lights goes off.whyfor which-Unhealthy lifestyle may be the first to blame for sleeplessness.World Sleep Day,celebrated on 21 March,was created to bring attention to the growing number of sleep problems worldwide.A survey carried out by the scientists in Greece found that many
26、people suffer from the effects of poor quality sleep,some examples of _ are being unable to fall asleep and waking up in the middle of the night.The main reasons _ they have sleepless nights are pressure from school or work and a fast pace of life,but environmental conditions,_noise and light pollut
27、ion and temperature all interfere with their sleep,also play an important role.The short-term effects of this are tiredness and trouble concentrating.If this happens for a long time,the risk of gaining weight and having a heart attack may increase.Celebrating Sleepwhichwhywhere There are a number of
28、 things you can do to get a good nights sleep.Establish regular sleeping and waking times,even at weekends _ you feel like a lie-in.Try not to use your electronic devices like computer,cell phone,or tablet in the bedroom,the light from _ may make it difficult for you to fall asleep.Its not a good id
29、ea to drink coffee or have salty snacks before bedtime.Having a cup of warm milk may be helpful because milk can help the body produce chemicals _ help you sleep.Getting a good nights sleep is vital for everyone.By following the advice above,you can rest better at night and work better during the da
30、y.whenwhichthat/whichSleep deprivation among American teenagers is an _.A major factor preventing teens from getting the sleep they need is actually a matter of _.Across the country,many schools are starting around _or earlier,despite the fact that major medical organizations recommend that middle a
31、nd high school start no earlier than_.Many of the unpleasant characteristics of teenagers,such as_,irritability,laziness,_,could be a product of chronic sleep deprivation.Teenagers who have more sleep are more likely to _for school;school absences dropped by 25 percent and they are less likely to _.
32、Not surprisingly,they do better _.So think about the tremendous _ of sleep.Think abut what a gift it would be for our children to be able to wake up _.Do children have to go to school so early?epidemicpublic policy7:30 a.m.8:30 a.m.moodinessdepressionshow updrop outacademicallypowernaturallyHomeworkReview the important points about relative adverbs.Watch the TED talk and get the main point of the speechWrite a short passage about sleep problems,including problems,causes and tips for better sleep by properly using restrictive relative clauses.(about 80 words)Bless you with pleasant dreams!
