1、课时作业2.单句语法填空1A lack of confidence can lead to a lot of suffering.2Without more training or advanced (advance) technical skills, theyll lose their jobs.3It is certain that something had gone wrong with the machine.4The chair looks hard but it is comfortable to sit on.5Hurry up, or we cannot get to th
2、e railway station on time.6I got up early, but I neednt have_done (do) so, because I had no work to do that morning.7They voted in favour of the prohibition of smoking in public areas.8He was absent from the conference yesterday because of his sudden heart disease.9I should make an apology to you fo
3、r my rudeness last night.10He came here on purpose to discuss it with you.句型转换1Its often said that we are living in an age of information explosion.We are said to be living in an age of information explosion.2To show our respect, we usually have to take our gloves off whoever we are to shake hands w
4、ith.To show our respect, we usually have to take our gloves off no matter who we are to shake hands with.3Whenever I see such food, I feel sick.Each time I see such food, I feel sick.4His elder brother as well as his parents has gone to the Summer Palace.Not only his parents but also his elder broth
5、er has gone to the Summer Palace.5No matter how hard the task is, we must finish it on time.However hard the task is, we must finish it on time.完成句子1She gave us sandwiches for a picnic and a bag of cookies in addition.他给了我们野餐的三明治，另外给了一包点心。2As a consequence,_children become so reliant on their parent
6、s that they have no independent thought or creative ideas.结果，孩子们变得如此地依赖他们的父母以至于他们没有独立的想法或者创造性思想。3My mind/memory was a complete blank, I couldnt think of a single answer.我的思想一片空白，我不能想起一个答案。4At present, people are aware of the dangerous situation we are facing.目前，人们意识到我们正在面临的危险处境。5Girls like showing o
7、ff their beautiful dresses to everybody.女孩们喜欢向其他人炫耀她们的漂亮裙子。6He cheered up at once when his father promised to buy him a smartphone.当他的父亲答应给他买一个智能手机，他立即高兴起来了。.语法填空The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland. While they are rare north of 88， there
8、 is evidence _1_ they range all the way across the Arctic, and as far south as James Bay in Canada. It is difficult to figure out a global population of polar bears as much of the range has been _2_ (poor) studied; however, biologists calculate that there are about 20,00025,000 polar bears worldwide
9、.Modern methods _3_ tracking polar bear populations have been employed only since the mid1980s, and are expensive _4_ (perform) consistently over a large area. In recent years some Inuit people in Nunavut _5_ (report) increases in bear sightings around human settlements, leading to a _6_ (believe) t
10、hat populations are increasing. Scientists have responded by _7_ (note) that hungry bears may be congregating (聚集) around human settlements, leading to the illusion (错觉) that populations are _8_ (high) than they actually are. Of _9_ nineteen recognized polar bear subpopulations, three are declining,
11、 six _10_ (be) stable, one is increasing, and nine lack enough data.本文是说明文，主题语境是人与自然，介绍了由于生存环境恶化，北极熊数量减少的状况。1that解析：考查名词性从句。本句含有一个同位语从句，解释了名词evidence “证据”的具体内容，空处在从句中不充当成分，也无意义，故本空填连接代词that。2poorly解析：考查副词。应用副词poorly “不好地”修饰动词studied。3of/for解析：考查介词。名词method后接介词of/for，表示“的方法”。4to_perform解析：考查非谓语动词。本句含
12、有“Sth.beadj.不定式”结构，主语通常是不定式动作的承受者，不定式用主动形式表示被动含义。句意：自20世纪80年代中期以来，人们就在使用现代的方法来跟踪北极熊的种群数量，这些方法在很大范围内连续执行起来非常昂贵。5have_reported解析：考查时态和主谓一致。句中的时间状语In recent years多与现在完成时连用，主语some Inuit people为复数意义，因此本空填have reported。6belief解析：考查名词。根据空前的a可知，短语leading to后接的是名词作宾语，故本空填belief “信念”。7noting解析：考查非谓语动词。在介词by后，
13、应用动名词作宾语，故本空填noting。8higher解析：考查比较级。根据空后的连词than可知，本句表示比较意义，因此本空应填higher。9the解析：考查冠词。Of the nineteen recognized polar bear subpopulations “在这19个已知的北极熊亚种群当中”，本空应填定冠词the，表示特指。10are解析：考查时态和主谓一致。本句其他谓语用了一般现在时，本句的主语six表示复数意义，故本空应填谓语动词are。.完形填空One day, an expert was speaking to a group of business students
14、. He used an _1_ those students will never _2_. As he stood in front of the group, he pulled out a jar and set it on the table. He then _3_ placed about a dozen fistsized rocks, one _4_ a time, into the jar. When the jar was filled to the _5_ and no more rocks would fit _6_， he asked, “Is the jar _7
15、_？” Everyone in the class said, “Yes.” He replied, “Really？”He reached under the table and pulled out lots of gravel (碎石), then put some gravel in and _8_ the jar, causing pieces of gravel to work themselves down into the _9_ between the big rocks. He asked the group once more, “Is the jar full？” “P
16、robably not，” One of them _10_. “Good！” he replied.He reached under the table again and _11_ a bag of sand. He started putting the sand into the jar and it went into all the spaces _12_ between the rocks and the gravel. Once more he asked the _13_ question, “Is the jar full？” “No！” the class shouted
17、.Once again he said, “Good！” Then he put out a _14_ of water and began to pour it in _15_ the jar was filled to the top. Then he looked at the class and said, “The truth this example _16_ us is: If you dont put the big rocks in _17_， youll never get them in _18_. What are the big rocks in your life?
18、 In my life they are my _19_ ones, my dreams, doing things that I love, time for myself, and my health. Remember to put these big _20_ in first or youll never get them in at all.”本文为记叙文。通过一个故事，诠释了一个哲理：如果你奔忙于琐事，那么，这些无关紧要的小事就会填满你的生活，让你成天操心，你就永远没办法腾出真正的“黄金时光”来处理你的大事和要事(即“大石块”)。所以我们必须抓住人生的重点，才能获得更大的收获。1
19、A.agreement BaccidentCexample Dexcuse答案：C解析：考查名词辨析。agreement 协议；accident 事故；example 例子；excuse 借口。根据下文内容可知，这是一个例子。故选C项。2A.forget BrealizeCremember Dagree答案：A解析：考查动词辨析。forget 忘记；realize 知道，意识到；remember 记得；agree 同意，赞同。根据下文内容可知，这位专家举的例子学生永远不会忘记(forget)，故选A项。3A.suddenly BcarefullyCespecially Dhopefully答案
20、：B解析：考查副词辨析。suddenly 突然地；carefully 仔细地，认真地；especially 尤其是；hopefully 有希望地。专家拿出个罐子放在桌子上，这是易碎品，所以要小心。由此可以判断他是小心地把几个拳头大小的石头放在罐子里。因此选B项。4A.in BonCby Dat答案：D解析：考查固定搭配。at a time 为固定搭配，意为“每次”，本句为每次放一块石头。故选D。5A.top BbottomCline Drow答案：A解析：考查名词辨析。top 顶部；bottom 底部；line 线；row 排。根据后文no more rocks would fit insid
21、e可知，已经到了顶部，再也装不进了。所以A正确。6A.outside BinsideCindoors Doutdoors答案：B解析：考查副词辨析。outside 在外面；inside 在里面；indoors 在室内；outdoors 在户外。分析语境可知是要把石头放在罐子里面(inside)，故选B项。7A.good BnewCfull Duseful答案：C解析：考查形容词辨析。good 好的；new 新的；full 装满的，满的；useful 有用的。根据下文“Is the jar full？”“Probably not”可知，是专家问“满了吗？”，因此选C项。8A.beat Bbrok
22、eCkicked Dshook答案：D解析：考查动词辨析。beat 打败，跳动；broke 打破；kicked 踢；shook 摇晃，晃动。根据下文causing pieces of gravel to work themselves down into the.可知是摇晃罐子使沙子漏下去，因此选D项。9A.paths BspacesCunits Dstreets答案：B解析：考查名词辨析。paths 小路；spaces 空间；units 单元；streets 街道。根据语境“专家摇晃罐子，使碎石碎片进入大岩石之间的空间”，因此选B项。10A.answered BdoubtedCwarned
23、Dordered答案：A解析：考查动词辨析。answered 回答；doubted 怀疑；warned 警告；ordered 命令，订购。联系下文，可知此处指有人回答专家的问题“Is the jar full？”，故选A。11A.spoke out Btook onCbrought out Dput up答案：C解析：考查词组辨析。spoke out 说出来；took on 从事，承担；brought out 产生，拿出；put up 搭建。从上文pulled out lots of gravel可知此处是拿出一袋沙子，因此选C。12A.thrown BdamagedCrepaired Dle
24、ft答案：D解析：考查动词辨析。句意：他开始把沙子放进罐子里，沙子进入岩石和砾石之间剩下的所有空间。thrown 投，掷；damaged 损害；repaired 修理；left 留下，剩下。可知D项符合题意。13A.same BotherCdifferent Deasy答案：A解析：考查形容词辨析。same 相同的，同样的；other 其他的；different 不同；easy 容易的。根据上文第10小题处的内容可知，是专家提出了相同的(same)问题。因此选A项。14A.car BbottleCpond Droom答案：B解析：考查名词辨析。car 轿车；bottle 瓶子；pond 池塘；
25、room 房间。根据语境“专家又拿来一瓶子水”，因此只有B项符合题意。15A.after BwhenCuntil Das答案：C解析：考查连词辨析。after 在之后；when 当时候；until 直到才；as 当时候，随着。联系下文，可知此处指“然后他又拿来一瓶水，开始往罐子里倒，一直到水浸到罐子口”。因此选C项。16A.blames BpunishesCchanges Dteaches答案：D解析：考查动词辨析。blames 责备；punishes 惩罚；changes 改变，变化；teaches 教，教育。根据语境可知，专家说这个例子告诉我们的(即教给我们的)是：。因此D项符合题意。17
26、A.last BsuddenlyCfirst Dsecond答案：C解析：考查词义辨析。last 最后，末尾；suddenly 突然地；first 第一，首先；second 第二，二号。根据前文内容可知，专家首先放入罐子里的是石头，所以本空填 first，即“首先”，本句是说“如果首先你不放石头的话，”，故选C项。18A.above all Bat allCfirst of all Dafter all答案：B解析：考查短语辨析。above all 首要的是，重要的是；at all (用于否定句)根本不，一点也不；first of all 首先；after all 毕竟。本句是说“如果你不先把
27、大石头放进去，你就根本不会把它们放进去”。因此选B项。19A.loved BplannedCchanged Dadmitted答案：A解析：考查动词辨析。loved 热爱，喜欢；planned 计划；changed 变化，改变；admitted 承认，允许。根据下文可知，与健康、梦想、我想做的东西并列的只能用 love，故选A项。20A.sand BvillagesCpeople Drocks答案：D解析：考查名词辨析。sand 沙子；villages 村庄；people 人们；rocks 岩石。联系下文，可知此处问的是，什么是你生活中的“大石头”？他们是我爱的人，我的梦想，做我喜欢的事等。联系上文描述，可知要把我爱的人，我的梦想，做我喜欢的事放在第一位，也就是生活中的“大石头”，因此选D项。