1、Unit 4 Space Exploration.完形填空Ringing a BellThe teacher looked up from her yellow notebook and cleared her throat. “Were going to be _1_ the Salvation Army by ringing the bell. Each of you will ring it for four hours，” she announced. As the words left her lips, complaints could be heard around the ro
2、om. Four hours of ringing a _2_ bell in winter! Four hours that I could be studying for the SATs. Was this supposed to be a joke? I joined the crowd around the table and signed up for the first day of breakto get it over with.A few weeks later, I was standing next to Walmart. There was another guy h
3、olding a jar across from me. Great, I was going to be _3_ here ringing a bell with another guy who was trying to get donations _4_ some church organization. To top it off, it was 4 ._5_， I put on the red apron bearing the symbol of the Salvation Army. Ring! Ring! A group of older women came up with
4、their walking sticks to drop in some change. A man came by and dropped some coins in. I _6_ my phone. Just 10 minutes had passed.A cold wind blew against my _7_ face. I started to regret _8_ my moms advice about wearing a scarf. I looked up, wishing that time would pass more quickly. A few birds swe
5、pt around the electrical poles.Another ring of the bell brought me back to reality.From the full parking lot stepped a tall man. _9_ he limped (跛行) toward me, I saw his unbalanced shoulders and awkward figure. His hair was messy and his jeans and shirt were dirty. When his hand reached toward the bu
6、cket, I caught a disgusting smell of oil and smoke. I couldnt help but say, “Thank you, sir. Have a nice day.” He turned to smile, a smile that sharply contrasted his soiled clothing. The money he donated was not a lot, but it was _10_ a lot to him.I was _11_ by his generosity. This act of charity,
7、though not much, was worth so much more than _12_ given by those who are better off. I continued to ring my bell happily, _13_ at everyone who entered the store. Occasionally, I handed out some homemade cookies that had been given to me earlier. Truly, _14_ is contagious (有感染力的)In the beginning, I t
8、hought that this assignment would be a huge burden. Actually, I was being really _15_. We should think about others and learn more about whats going on in the world around us. Finally, I encourage everyone to take four hours to ring a bell for the Salvation Army.这是一篇夹叙夹议文。老师们要求学生们去帮助救世军每天摇四小时的铃，作者很不
9、情愿，但在参与活动过程中，他看到了一个衣衫褴褛的人捐了一点钱，作者深受鼓舞，觉得自己很自私，应该为他人着想，更多地了解我们周围的世界。1A.helping Brescuing Cinspecting Dbuilding答案：A解析：考查动词词义辨析。句意：我们要摇铃来帮助救世军。A.helping帮助；B.rescuing援救；C.inspecting检查；D.building 建造。根据下文的Each of you will ring it for four hours可知学生们要帮助救世军去摇铃，故选A项。2A.musicalBloud CstupidDwarning答案：C解析：考查形容
10、词词义辨析。句意：在冬天摇四个小时的愚蠢的铃！ Amusical音乐的；B.loud大声的；C.stupid愚蠢的；D.warning警告的。根据上文的As the words left her lips, complaints could be heard around the room.可知对于摇铃这件事学生们都颇有抱怨，故选C项。3A.punishedBallowed CleftDstuck答案：D解析：考查动词词义辨析。句意：我对面还有一个人拿着一个罐子。太好了，我要被困在这里和另一个想为某个教会组织募捐的家伙一起摇铃。A.punished 惩罚；B.allowed允许；C.left离
11、开；D.stuck困住。根据前文的“老师要求学生们每天敲四小时的铃”，可知作者认为他是被困在其中， 故选D项。4A.forBthrough CfromDwith答案：A解析：考查介词词义辨析。句意：我要被困在这里，和另一个想为某个教会组织募捐的家伙一起摇铃。A.for为了；B.through 通过；C.from从；D.with和。根据句意可知选A项。5A.CarefullyBSuddenly CSlowlyDProudly答案：C解析：考查副词词义辨析。句意：慢慢地，我穿上了红色围裙，上面有救世军的标志。A.Carefully仔细地；B.Suddenly突然地；C.Slowly缓慢地；D.Pr
12、oudly骄傲地。根据语境可知，作者参与此项活动心中并不情愿，所以此处表示缓慢地穿上红色围裙，故选C项。6A.checkedBcleaned CheldDwarmed答案：A解析：考查动词词义辨析。句意：我看了看手机。才过了10分钟。A.checked检查，查看；B.cleaned清理；C.held举办；D.warmed同情，激动。根据语境可知，此处表示“我”查看了一下我的手机看时间，故选A项。7A.sweatingBfreezing CswollenDtwisted答案：B解析：考查形容词词义辨析。句意：一阵冷风吹在我冰冷的脸上。A.sweating出汗的；B.freezing冰凉的；C.s
13、wollen肿胀的；D.twisted扭曲的。根据前文的cold wind可知，在冷风下作者的脸是冰凉的，故选B项。8A.ignoringBfollowing CweighingDseeking答案：A解析：考查动词词义辨析。句意：我开始后悔忽视了妈妈关于戴围巾的建议。A.ignoring不理睬；B.following跟随；C.weighing 称重；D.seeking寻求。根据句意可知选A项。9A.BecauseBSince CAsDAlthough答案：C解析：考查状语从句连词辨析。句意：当他一瘸一拐地向我走来时，我看到了他那不平衡的肩膀和笨拙的身影。A.Because 因为；B.Sinc
14、e自从；C.As当时；D.Although虽然。根据句意可知，as引导时间状语从句，意为“当时”，故选C项。10A.normallyBparticularly ChopefullyDclearly答案：D解析：考查副词词义辨析。句意：他捐的钱不多，但显然对他来说很多。A.normally正常地；B.particularly尤其；C.hopefully 充满希望地；D.clearly清晰地。根据上文这个人的外貌描写来看，对于他来说这笔捐款很显然已经很多了，故选D项。11A.promotedBdefeated CconfusedDinspired答案：D解析：考查动词词义辨析。句意：他的慷慨大方使
15、我深受鼓舞。A.promoted晋升；B.defeated打败；C.confused使困惑；D.inspired鼓舞，激励。根据语境可知，那个衣衫褴褛的人让我颇受鼓舞，故选D项。12A.presentationsBdonationsCopportunitiesDrewards答案：B解析：考查名词词义辨析。句意：这种慈善行为，虽然不多，却比那些富裕的人的捐赠有价值得多。A.presentations演讲；B.donations捐赠，贡献；C.opportunities 机会；D.rewards回报。根据句意可知选B项。13A.staringBsmiling CyellingDpointing答
16、案：B解析：考查动词词义辨析。句意：我继续愉快地摇着铃，对着每一个进店的人微笑。A.staring盯着；B.smiling微笑；C.yelling 大叫；D.pointing指向。根据句意可知选B项。14A.appreciation BsympathyCkindnessDdetermination答案：C解析：考查名词词义辨析。句意：的确，善良是会传染的。A.appreciation 欣赏；B.sympathy同情心；C.kindness善良；D.determination决心。那个人的善举让作者深受鼓舞，可见善良是会传染的，故选C项。15A.generousBsensitive Cgreed
17、yDselfish答案：D解析：考查形容词词义辨析。句意：事实上，我真的很自私。A.generous慷慨的；B.sensitive敏感的；C.greedy贪婪的；D.selfish自私的。结合文章开头可知，作者最一开始不太情愿来帮助别人，这种行为是自私的，故选D项。.语法填空Two new satellites of BeiDou Navigation (导航) Satellite System (BDS) _1_ (send) into space on a Long March3B carrier rocket from the Xichang Satellite Launch Cente
18、r in Sichuan Province, China at 2：07 am on November 19, 2018. The satellites entered a Medium Earth orbit (轨道) _2_ (safe) more than three hours later and would work with 17 other BDS3 satellites already in space. They are also the 42nd and 43rd _3_ (member) of the BDS satellite family.China launched
19、 these satellites with the aim of providing navigation services _4_ countries and regions which participate in the Belt and Road Proposal by the end of 2018. “This is a key and _5_ (value) step for BDS developing from a Chinese experimental system to a regional and then a global navigation system，”
20、said Yang Changfeng, chief expert _6_ contributed much to the BeiDou system. The positioning _7_ (accurate) of the BDS3 system has been improved to 2.5 meters to 5 meters, said Yang._8_ (name) after the Chinese term for the Big Dipper, the BeiDou system has been serving China for 20 years. The syste
21、m is expected _9_ (provide) firstclass services around _10_ globe by the end of 2020.本文是一篇说明文。文章介绍了北斗3号系统的两颗卫星成功发射，及其对中国和世界的影响。1were_sent解析：考查一般过去时态的被动语态。句意：2018年11月19日凌晨2时07分，北斗导航卫星系统两颗新卫星由长征三号乙运载火箭从四川省西昌卫星发射中心发射升空。句子主语是“两颗新卫星”，是复数形式，且主语和send之间是一种被动关系，再根据文中提到的时间是过去时间，所以此空用一般过去时态的被动语态，故答案为were sent。
22、2safely解析：考查词性转换。句意：这两个卫星在3个多小时后安全进入中轨，并将与已经进入太空的另外17颗北斗3号卫星一起工作。此处entered是动词，用副词来修饰，故答案为safely。3members解析：考查名词复数。句意：他们也是北斗卫星家族的第42和43个成员。结合句意可知此处用名词复数，故答案为members。4for解析：考查介词。句意：中国发射这些卫星的目的是为参与“一带一路”建设的国家和地区到2018年底提供导航服务。provide sth. for sb.“为某人提供某事”，故答案为for。5valuable解析：考查词性转换。句意：这是北斗从中国实验系统向区域乃至全球
23、导航系统发展的关键和有价值的一步。此处step“步伐”是名词，由形容词来修饰，故答案为valuable。6who/that解析：考查定语从句。句意：为北斗系统做出巨大贡献的首席专家杨长风说。此处Yang Changfeng是先行词，指人，在后面的定语从句中作主语，故答案为who/that。7accuracy解析：考查词性转换。句意：杨说，北斗3号系统的定位精度已提高到2.5米至5米。此处用名词作主语，故答案为accuracy。8Named解析：考查过去分词作状语。句意：北斗系统以北斗七星的中文名称命名，已经为中国服务了20年。此处句子主语the BeiDou system和name之间是一种被
24、动关系，用过去分词作状语，故答案为Named。9to_provide解析：考查固定搭配。句意：预计到2020年底，该系统将在全球范围内提供一流的服务。固定搭配：expect sb. to do sth.“期盼某人做某事”，此处是被动语态，故答案为to provide。10the解析：考查固定用法。句意：预计到2020年底，该系统将在全球范围内提供一流的服务。此处是固定用法，the globe “地球，世界”，故答案为the。.应用文写作假定你是李华，你班最近就“To explore space or not to explore”展开了激烈地辩论。现请你给一家英文报社的编辑写一封信，告诉他你们
25、班同学对太空探索的不同观点，并表达自己的看法。支持太空探索1.地球上仍有很多未解之谜。2.地球资源总会耗尽，有必要找到新家园。反对太空探索浪费时间和金钱你的观点注意：1.词数80左右；2可以适当增加细节，以使行文连贯。Dear editor，Recently,_there_has_been_a_heated_debate_about_“To_explore_space_or_not_to_explore”_in_my_class.Some_students_believe_space_exploration_is_beneficial_to_human_beings,_because_ther
26、e_are_still_a_lot_of_unsolved_mysteries_in_the_space._Besides,_it_is_necessary_to_find_a_new_home_for_people,_as_the_resources_on_Earth_will_run_out_sooner_or_later._Also_we_have_benefited_a_lot_by_using_some_satellites_for_communication_and_weather_forecast.However,_there_are_those_who_think_space_
27、exploration_is_risky_and_costly._They_think_the_money_spent_on_space_exploration_can_be_used_to_solve_the_earths_problems_such_as_starvation_and_pollution.In_my_opinion,_space_exploration_not_only_benefits_all_of_us_today_but_also_our_future_generations._Therefore,_it_is_very_worthwhile_to_explore_space.Yours sincerely，Li Hua