1、P50 2d1.这使它成为世界上最长的墙。2.主要的原因是去保护他们国家的那部分。3.据我所知，没有其他的人工制造的物品像这个一样大。This _ _ wall _.makes it the lonest in the world_ was _ their part of the country.The main reasonto protect_,there are _ _ objects _ this.As far as I knowno other man-madeas big asP51 3a1.世界上最危险的运动之一是登山，而登山最流行的地方之一是喜马拉雅山。2.甚至更严重的困难包括
2、冰冷的天气条件和大暴风。3.第一个中国队伍在1960年做到了，而第一个成功的女士是在1975年来自日本的Junko Tabei。4.其中一个主要原因是人们想要在困难面前去挑战他们自己。5.登山者的精神向我们展示我们应该永不放弃努力去实现我们的梦想。_ the worlds _ sports is mountain climbing,and one of _ for this is the Himalayas.One ofmost dangerousthe most popularEven _include _ weather _ and heavy storms.more serious di
3、fficultyfreezing_ Chinese team did so in 1960,_ the first woman _ was Junko Tabei from Japan in 1975.conditionsThe first while to succeed_ is that people want to _ _ difficulties.One of the main reasonschanllenge themselvesin the face ofThe _ of these climbers shows us that we should never _ _ _.spi
4、ritgive uptrying to achieve our dreamsThey _ people _ school to _ children _ _ these animals_ pandas _ more than 12 hours a day _ about 10 kilos of bamboo.P54 2b1.当宝宝们看到饲养员，他们兴奋地跑向他们，一些小熊猫甚至撞到他们的朋友并且摔倒了。2.我照顾他们就像他们是我自己的宝宝。3.熊猫们变得如此受欢迎以致于他们现在是中国的一个象征。4.宝宝们经常死于疾病并且不能长久生存。5.成年熊猫每天花费超过12小时吃大约10千克竹子。6.他们
5、把人们送去学校去告诉孩子们有关于拯救这些动物的重要性。When the babies see the _,they _ them _ and some of the young pandas even _ their friends and _!keepersrun over towith excitementI _ them like theyre my _ babies.walk intofall overPandas have _ they are now _ China.take care ofownbecome so popular that a symbol ofThe babie
6、s often _ illnesses and do not _.die fromlive very longAdultspendeatingsend to tell about the importance of saving构成/结构have/has+done 助动词助动词（可以帮助（可以帮助构成肯定、疑问和构成肯定、疑问和否定句）否定句）一)构成:have/has+动词动词过去分词过去分词(一)表示过去发生的动作或事情对现在的影响和产生的结果。它强调的是过去的动作同现在的联系.二)用法:have/has+动词动词过去分词过去分词(二)表示一个从过去开始,一直持续到现在,有可能继续下去的动
7、作或状态。通常和for或since引导的时间状语连用。现在完成时的现在完成时的时间状语时间状语常与常与以下标志词连用：以下标志词连用：already,already,yetyet justjust everever nevernever before,before,up to now,up to now,so far,so far,for the last few weeksfor the last few weeks these days,these days,since since for for（a long timea long time）上一页下一页主菜单v1.I _(have)lu
8、nch alreadyv2.Has the train_(arrive),yet?v3.Tome _ never_(be to)China.v4.The twin _just _(see)my father.v5.The twins _(see)my father just now.v6.Many tall buildings _(build)in the past 5 years.have hadarrivedhasbeen tohasseensawhave been builtIm even _ _ fruit and vegetables.Although I _,I _ my life
9、.P59 3a1.当我第一次到达这座岛上，我什么也没有。2.尽管我失去了一切，但我还没有失去我的生命。3.所以我将不会放弃并且将等待另外一只船。4.我甚至在学习种植水果和蔬菜。When I first _ on this island,I _.arrivedhad nothinghave lost everythinghave not lostfall overSo I will not _ and I will _ _ ship.give upwait foranother learning to growMany songs _ are just about modern life in
10、the US,_ _ _ money and _,but not about _ a group.1.当Sarah是青少年的时候，她过去常常和她的家人在每件事情上吵架。2.但是五年以前，当她正在英国留学的时候，她在收音机上听到了一首歌充满了有关于回家的情感。3.自从那以后，她成了美国乡村音乐的一名粉丝。4.现在的许多歌仅仅是关于美国的现代生活，例如钱和成功的重要性，但是不是关于归属于一个团队的。_,she _ a fan of American country music.P62 2bWhen Sarah was a _,she _ _ almost everything _ her fami
11、ly.teenagerused tofight overwithwas studying abroadBut five years ago,while she _ in England,she heard a song _ feelings about _ on the radio.full ofreturning homeEver since then has been these dayssuch astheimportance ofsuccessbelonging toI _ see him _ one day.5.然而乡村音乐带我们回到“美好旧时光”，那时人们对彼此友好并且信任彼此。2
12、.它提醒我们生命中最好的东西是免费的欢笑，朋友，家人，自然和乡村的美。3.她已经读了许多有关于这个地点的书，做了许多有关于它 的研究。4.Garth 是美国历史上最成功的音乐家之一。5.我希望有一天能见他现场唱歌。Garth is _ musicians in American history.She has already _ the place and _ it.P62 2b_,country music _ us _ the“good old days”when people _ _ and trusted _.Howeverbrought back to were kind toeach otherone anotherIt _ us that _ things in life _-_,friends,family,and _ nature and the countryside.reminds the bestare free laughterthe beauty ofread a lot aboutdone some research onone of the most successful hope tosing live
