1、Unit 2 Natural disasters课时分层作业(五).单句语法填空1George returned after the war，only to be told (tell)that his wife had died.2I stopped the car to take (take)a short break as I was feeling tired.3The sun began to rise (rise)in the sky，bathing the mountain in golden light.4I was surprised to find (find)my hom
2、etown changed so much.5With a lot of difficult problems to settle (settle)，the newlyelected president is having a hard time.6This is a very difficult problem for me to solve (solve).7I come here only to say (say)goodbye to you.8We hurried to the airport，only to be told (tell)that the flight had left
3、.9The hall is large enough to hold (hold)two hundred people.10The husband left his wife，never to return (return).完形填空The whole school was talking about the coming trip at a winter camp.And everyone was _1_，except me.“Ill hate it，” I told my parents.“Ill get homesick.Ill look stupid at winter sports，
4、and everyone will _2_ me.”“You might be surprised，Bree，” said Mom.“The only way to find out is to _3_”“Its what growing up is all about，” Dad added.When _4_ the camp，we were asked to share one _5_“Im afraid Ill be homesick，” someone said.I wasnt the only one! I began to _6_After lunch，we were asked
5、to ski down to the field.I skied carefully，but I still hit a piece of ice and _7_“Ha! Ha！” Behind me，somebody started laughing.I _8_ to see who was making fun of me.To my surprise，I saw a girl in the same awkward(尴尬的)position I was in.“I thought Id be bad at this，_9_ Im worse than I expected！” she s
6、aid.Suddenly，I started laughing too.After being so _10_ of falling，it was a comfort not to fear it anymore.At dinner time，I was so happy to be talking about interesting things that I _11_ to feel homesick.The next day，I was chosen to try skijumping first，even though I didnt want to.But when my feet
7、left the ground，I felt I was _12_ and it was wonderful.Maybe Dad was right when he said “You might _13_ it if you give it a chance！”Maybe the kind of _14_ Mom and Dad were talking about had more to do with my outlook(态度)than my looks.We all _15_ fitting in and failing when we try new things.Sometime
8、s youve got to fall on your face to discover how much youve got in common.【语篇解读】在成长的过程中，我们或许会害怕尝试新事物，会害怕失败，然而，这些都是成长的必经阶段。在此过程中，我们要以积极向上的态度去面对。1A.strangeBexcitedCnervous DsadB根据该空后的except me和下文中的“Ill hate it”可知，作者不想去冬令营，然而其他人都很“兴奋(excited)”。故选B。2A.laugh at Bwait forCspeak to Dtalk aboutA根据前半句“Ill lo
9、ok stupid at winter sports”可知，由于作者不擅长冬季运动项目，因此害怕别人会“嘲笑(laugh at)”她。故选A。3A.change BdreamCtry DmoveC作者的妈妈鼓励作者自己去“尝试(try)”。故选C。4A.searching for Barriving atCmaking up Dreturning toB根据文章首句中的“the coming trip at a winter camp”可知，此处指“到达(arrive at)”营地。故选B。5A.story BfactCpurpose DfearD根据该空下一句中的“Im afraid Ill
10、 be homesick”可知，此处指大家被要求分享一件“害怕的事(fear)”。故选D。6A.relax BaskCeat DsleepA作者一开始担心自己会想家，担心会被别人笑话，因此听到别人说想家时，她开始“放松(relax)”了。故选A。7A.went out Bfell downCran away Dgave upB根据该空前的“I still hit a piece of ice”可知，作者撞到了一块冰上，“摔倒了(fall down)”。故选B。8A.looked back Bstood upCwalked around Dstepped overA根据该空前一句“Behind
11、me，somebody started laughing.”可知，有人在作者身后发出笑声，因此作者“朝身后看去(look back)”，想知道究竟是谁在笑。故选A。9A.because BsoCbut DorC“I thought Id be bad at this”与“Im worse than I expected”之间为转折关系。故选C。10A.tired BafraidCcertain DproudB根据上文的描述可知，作者一直“害怕(afraid)”摔倒。故选B。11A.forgot BrefusedCfailed DstoppedA根据该空前的“I was so happy to
12、be talking about interesting things”可知，作者在晚饭时和别人聊得很开心，以至“忘了(forget)”想家。故选A。12A.learning BcryingCflying DdyingC根据该空前的“my feet left the ground”和该空后的“it was wonderful”可知，作者感觉自己在“飞翔(fly)”。故选C。13A.prevent BenjoyCdiscover DtrustB作者在此体会到跳台滑雪给她带来的乐趣，因此，她认同爸爸说的“你在尝试之后或许会喜欢(enjoy)上它的”。故选B。14A.growing up Bshow
13、ing offCwinning back Dworking outA根据上文中的“Its what growing up is all about，Dad added.”可知，作者在此发出关于“成长(grow up)”的感慨。故选A。15A.catch up Bpoint outCbelieve in Dworry aboutD联系全文的语境可知，在成长的过程中，当我们尝试新事物时，我们都会“担心(worry about)”不适应或是失败。.语法填空Located in a natural depression in Guizhou，Chinas Fivehundredmeter Apertu
14、re Spherical Radio Telescope，1._(know)as FAST，has identified six pulsars(脉冲星)after one year of trial operation.It is the first time that Chinese scientists have discovered pulsars using a radio telescope independently developed by Chinese scientists，thus 2._ (open)a “new era of Chinese original spac
15、e discovery”It is truly encouraging for China to have achieved such results in just one year.Since the first pulsar 3._(discover)，over 2，700 pulsars have been identified.But almost all of them are 4._ the scope of the Milky Way(银河系).Being the worlds largest radio telescope，FAST is expected to captur
16、e pulsars outside the galaxy.Apart from the massive size，it also has unmatched accuracy and sensitivity，allowing scientists 5._(find)previously hidden stars.Moreover，FAST is capable of surveying the night sky for multiple 6._(science)data at once，7._ enables astronomers to jumpstart many science goa
17、ls.Its innovative engineering concept and design pave 8._ new road to realize a huge single dish in the most effective way.Chinas FAST science impact on astronomy will be extraordinary，and has the potential to revolutionize other 9_(area)of the natural sciences.It 10._(remain)the global leader for t
18、he next 10 to 20 years.【语篇解读】文章报道了中国科学家第一次使用自主研发的射电望远镜发现并确定了六颗脉冲星。1known考查过去分词。分析句子结构可知，句中主语Aperture Spherical Radio Telescope和动词know之间是被动关系，应用过去分词作定语，故填known。2opening考查现在分词。此处thus指代“这是中国科学家第一次使用由中国科学家自主研发的射电望远镜发现脉冲星”。这一发现和动词open之间是主动关系，此处作状语用动词ing形式，指“这一发现开创了中国原创空间探索的新时代”，故填opening。3was discovered考
19、查动词的时态和语态。句中主语the first pulsar和动词discover之间是被动关系，且动作发生在过去，指“第一个脉冲星被发现”，用一般过去时的被动语态，故填was discovered。4in/within考查介词。此处指几乎所有的脉冲星都在银河系的范围内，表示“在之内”，故填in/within。5to find考查动词不定式。表示“允许某人做某事”用allow sb.to do sth.，故填to find。6scientific考查形容词。此处修饰名词data用形容词，指“科学的数据”，故填scientific。7which考查定语从句。此处是非限制性定语从句，用关系代词which引导，指代前面整个句子，故填which。8a考查冠词。句中road是单数可数名词，此处指“其创新的工程理念和设计铺设了一条新路”，故填a。9areas考查名词。句中area是可数名词，由other修饰用复数形式，指其他领域。故填areas。10will remain考查动词的时态。根据句中的时间状语the next 10 to 20 years可知用一般将来时，表示在未来10到20年将保持全球领先地位。故填will remain。