1、Extended reading课后练习.单词拼写1They help the body defend itself against some kinds of _(感染)2It is good manners not to d_ others when they are occupied with their work.3I always hear the moving songs of TFBOYS whenever I s_ on the radio.4Children，especially disabled children，normally feel a lot of _(焦虑) a
2、bout their first day at school.5I think smokers should devote much more time to a_ to the new environment without tobaccos.6What the agent says contradicts with the facts.We have to find more _(证据)7The lion is considered the king of the forest as it is a _(象征) of courage and power.选词填空date back to；b
3、e grateful to sb.；take the place of；switch to；be connected with；apply.to.；be recognized as1I _ Anna for helping me get out of the state of anxiety.2We have to _ the same rules _everyone，showing no favour.3Environmental problems_ closely _ a lack of awareness.4With the development of science and tech
4、nology，we have _ telephone banking.5Do you think it is possible that robots will _ the workers in the steel industries in the future?6Dujiangyan，pearl of the Minjiang River，_ Qin Dynasty，is the oldest and only remaining irrigation(灌溉) system in the world.7The Notting Hill Carnival，which starts on Au
5、g.28 and ends on Aug.29，_ the largest street party in Europe.单句语法填空1With so much _(evident) against him he had to acknowledge his error.2Most _(disturb) of all was our discovery of the population explosion.3If the clinic is equipped with_(adjust) chair，it will be more convenient for the dentists.4Th
6、e dictionary is out _date：many words have been added to the language since it was published.5By simply turning on the light in the room you could also switch _ your Internet connection.单句写作1他担心正在美国旅行的儿子的安全。(be anxious about)_2他过了一段时间才适应独自一人在农村的生活(adjust to)_3市长因滥用职权而被捕。(abuse)_4已经有很多证据表明世界气候正在变暖。(ev
7、idence)_5每间教室都配有电脑，通过电脑我们可以在不同的网站上查找信息。(be equipped with)_.七选五We all know about the health benefits of swimming.It offers a great workout for the bodyit builds endurance，muscle strength and cardiovascular fitness.If you dont mind getting wet，it can be fun too. 1 Well，many people are fond of it，based
8、 on evidence that it can actually be good for us.Cold-water swimmingsometimes called wild swimminginvolves swimming in natural areas including ponds，rivers and the sea.Jumping in gives a short sharp shock to the body， 2 A cold dip might wake you up，but research has found it can have much bigger bene
9、fits than that for your body and mind.As well as being good exercise，spending time outdoors and by water improves well-being. 3 One man who suffered constant pain after surgery claimed he was cured by taking a plunge in cold open water.And another swimmer，Sandria Simons，told the BBC “the immersion o
10、f your body in cold，salt water，just feeling like youre at one with nature if you like，just feels amazing.”But what is it that people are gaining from this chilly experience？Doctors say getting into cold water arouses a stress response，but the more you do it，your reaction to stress is reduced.Its als
11、o thought to have a strong anti-inflammatory(抗炎的) effect.But there are bigger benefits to this stress-reducing exercise.Some experts believe cold-water swimming helps “cross-adaptation”，where one form of stress prepares the body for another. 4 So，if youre convinced that this is for you，take advice：a
12、pproach it with caution，swim with a friend，and maybe start in the summer， 5 Abut many participants say they get used to it.Bwhen the water temperatures are higher!CSwimming is a good form of exercise，in part because it is fun.DBut who would enjoy swimming in water thats ice cold?ECold weather limits
13、 the months when ocean or lake swimming is possible.FThere is much evidence suggesting cold-water swimmings benefits.GFor example，it also helps reduce the stress of exercising at high altitude.参考答案：Extended reading课后练习.单词拼写1They help the body defend itself against some kinds of infections(感染)2It is
14、good manners not to disturb others when they are occupied with their work.3I always hear the moving songs of TFBOYS whenever I switch on the radio.4Children，especially disabled children，normally feel a lot of anxiety(焦虑) about their first day at school.5I think smokers should devote much more time t
15、o adjusting to the new environment without tobaccos.6What the agent says contradicts with the facts.We have to find more evidence(证据)7The lion is considered the king of the forest as it is a symbol(象征) of courage and power.选词填空date back to；be grateful to sb.；take the place of；switch to；be connected
16、with；apply.to.；be recognized as1I am/was grateful to Anna for helping me get out of the state of anxiety.2We have to apply the same rules to everyone，showing no favour.3Environmental problems are closely connected with a lack of awareness.4With the development of science and technology，we have switc
17、hed to telephone banking.5Do you think it is possible that robots will take the place of the workers in the steel industries in the future?6Dujiangyan，pearl of the Minjiang River，dating back to Qin Dynasty，is the oldest and only remaining irrigation(灌溉) system in the world.7The Notting Hill Carnival
18、，which starts on Aug.28 and ends on Aug.29，is recognized as the largest street party in Europe.单句语法填空1With so much evidence(evident) against him he had to acknowledge his error.2Most disturbing(disturb) of all was our discovery of the population explosion.3If the clinic is equipped with adjustable(a
19、djust) chair，it will be more convenient for the dentists.4The dictionary is out of date：many words have been added to the language since it was published.5By simply turning on the light in the room you could also switch on your Internet connection.单句写作1他担心正在美国旅行的儿子的安全。(be anxious about)He was anxiou
20、s about the safety of his son，who was travelling in America.2他过了一段时间才适应独自一人在农村的生活(adjust to)It took him a while to adjust himself to living in the countryside on his own.3市长因滥用职权而被捕。(abuse)The mayor was arrested for having abused his power.4已经有很多证据表明世界气候正在变暖。(evidence)There has been a lot of evidenc
21、e that the worlds climate is getting warmer.5每间教室都配有电脑，通过电脑我们可以在不同的网站上查找信息。(be equipped with)Every classroom is equipped with a computer，through which we can look up the information on different websites.七选五We all know about the health benefits of swimming.It offers a great workout for the bodyit bu
22、ilds endurance，muscle strength and cardiovascular fitness.If you dont mind getting wet，it can be fun too. 1 Well，many people are fond of it，based on evidence that it can actually be good for us.Cold-water swimmingsometimes called wild swimminginvolves swimming in natural areas including ponds，rivers
23、 and the sea.Jumping in gives a short sharp shock to the body， 2 A cold dip might wake you up，but research has found it can have much bigger benefits than that for your body and mind.As well as being good exercise，spending time outdoors and by water improves well-being. 3 One man who suffered consta
24、nt pain after surgery claimed he was cured by taking a plunge in cold open water.And another swimmer，Sandria Simons，told the BBC “the immersion of your body in cold，salt water，just feeling like youre at one with nature if you like，just feels amazing.”But what is it that people are gaining from this
25、chilly experience？Doctors say getting into cold water arouses a stress response，but the more you do it，your reaction to stress is reduced.Its also thought to have a strong anti-inflammatory(抗炎的) effect.But there are bigger benefits to this stress-reducing exercise.Some experts believe cold-water swi
26、mming helps “cross-adaptation”，where one form of stress prepares the body for another. 4 So，if youre convinced that this is for you，take advice：approach it with caution，swim with a friend，and maybe start in the summer， 5 Abut many participants say they get used to it.Bwhen the water temperatures are
27、 higher!CSwimming is a good form of exercise，in part because it is fun.DBut who would enjoy swimming in water thats ice cold?ECold weather limits the months when ocean or lake swimming is possible.FThere is much evidence suggesting cold-water swimmings benefits.GFor example，it also helps reduce the stress of exercising at high altitude.参考答案：DAFGB
