1、地球与宇宙奥秘探索一、主题语基拓展练(一)主题词汇盘查 (已会词汇，在内打“”；欠熟练词汇，多翻阅识记)microscopeexperimentinvention message latitude component patent function advance contribute automatic digital portable scientific technical telescope globe orbit comet equator (二)主题词汇训练.写出下列各句中加黑词的汉语意思1A new satellite has been put into orbit around
2、 the earth.轨道2Severe low temperatures vary with latitude and distance from the ocean.纬度3The protection of patent rights has been further strengthened.专利4All the planets orbit the sun in roughly the same plane, round its equator.赤道5Its hoped that the telescope will enable scientists to see deeper int
3、o the universe than ever before. 望远镜6The new digital technology would allow a rapid expansion in the number of TV channels.数字的7My watch is automatic, so theres no need to wind it. 自动的8The function of the cells is not known.功能.单句语法填空1This project involves a lot of complex technical (technology)proble
4、ms.2Seated in the first line are some advanced (advance) workers.3She was awarded the Nobel Prize in Chemistry for her scientific (science) achievements.4He is respected by people from all over the world because of the great contributions (contribute)5In ancient China we had many advanced inventions
5、 (invent)，which led to todays civilization and development.6Now that we are all part of the global (globe)village, everyone should protect it.二、主题语篇押题练.阅读理解“Im ready，” said Alyssa Carson，a now 17yearold astronautintraining from Baton Rouge，Louisiana.For her，riding the most aggressive roller coaster
6、in the park is not a big deal.If all goes according to her plans, NASA will send her to Mars in 2033, making her the first human to step foot on the planet.She will spend two to three years doing something on it, growing food, performing science experiments, and searching for signs of life.“The Mart
7、ian is actually very accurate，” she said.“A lot of the things that happened in the movie are similar to what is going to happen.” Shes devoted her entire life to preparing for this journey.Her love for space started when she was 3 years old and watched a cartoon called The Backyardigans.Five animal
8、pals go on imaginary adventures in their backyard including one part, a mission to Mars.“I thought This red planet is so cool，” she said.“I started watching videos of rovers landing on Mars.I had a large map of Mars in my room I would look at.We started getting telescopes so we could look at space.”
9、At 7 her father took her to US Space Camp in Huntsville, Alabama.“That was the weekend of my life，” she said.“I got to learn everything I had been wanting to know and more .I got to see a lifesize rocket.” She cherished the rocket so much that she returned 18 times.At the age of 12 she became the fi
10、rst person in history to attend all three NASA space camps.At first she mastered the basics of space and how humans have explored it throughout time.As she got older she simulated (模拟)missions，trying to reach a destination in gravityfree, weightless zones.When she was 9, she met NASA astronaut Sandr
11、a Magnus.The experienced explorer told her she was the same age as her when she decided to go to space.At that moment Alyssa knew her love of space was not a passing hobby.“I did the same thing as other kids，like switching my mind about careers, wanting to be a teacher or the president one day，” she
12、 said.“But the way I always thought about it was I would become an astronaut，go to Mars，come back，and then be a teacher or the president.”语篇解读：Alyssa Carson从小就梦想能登上火星，多年来她一直在为实现这个梦想而努力准备着。1Why is Alyssa Carson great?ABecause she has created model missions to Mars.BBecause she is the youngest to have
13、 completed astronaut training.CBecause she is likely to be the first human to perform different tasks on Mars.DBecause she has visited the space camp in Huntsville，Alabama for nearly 20 times.解析：选C推理判断题。根据第一段中的“NASA will send her to Mars in 2033 .searching for signs of life”可推知，Alyssa Carson之所以伟大，是因
14、为她将有可能成为第一个登上火星并在火星上执行多种任务的人。2NASA astronaut Sandra Magnus is mentioned in the last paragraph to stress .Athe power of space dreamBthe popularity of space travelCthe importance of career choiceDthe excitement of her going into space解析：选A推理判断题。根据最后一段中的“The experienced explorer told her .was not a pas
15、sing hobby.”可推知，作者在这里提到Sandra Magnus是为了表明这位宇航员对Alyssa Carson的影响，Alyssa Carson因为这位宇航员的话，更加坚定了自己登上火星的梦想。3What is the authors purpose of writing the text?ATo introduce American space industry.BTo improve the values of American teens.CTo encourage tours to Mars.DTo present a rising American space star.解
16、析：选D写作意图题。文章介绍了Alyssa Carson登上火星的梦想的缘由、她为之所做的努力以及对该梦想的看法；此外，根据第一段的内容可知，Alyssa Carson将有可能成为第一个登上火星的人。故D项符合题意。.完形填空In my childhood, there were no smart phones or computers. Still, I never felt bored. The field, 1 and woodlands around my home were the perfect playground. I can remember once hiking to a
17、 nearby 2 and walking slowly around it. At the back of it I was amazed to find an old dirt road that I had never seen before. It was full of muddy tyre tracks and deep woods bordered it on both sides, but 3 it still seemed like a fine adventure.I 4 on and on for what seemed like hours. I was sure so
18、meone was 5 in my ears to ask me to turn around and 6 back home but I was 7 and even a bit stupid, so I walked on. There was still neither a car nor a house 8 . My legs were getting tired. I noticed that the sun was starting to go down and I grew 9 . I didnt want to end up 10 on this road in the dar
19、k of night, and I was worried that it would be dark 11 I could make my way back to the lake again.I continued to walk on with the fear growing inside of me. My heart was 12 and my legs were aching. When I 13 one last corner and saw a house that I 14 ， I jumped up and down and laughed out loud. I kne
20、w the way home! It was still over a mile away, but 15 felt like feathers. I 16 into the house with a big smile just in time for dinner. Then I ended my adventure with a good nights sleep.I remembered this recently when I saw a 17 that said, “All roads lead home.” This is true. I also remembered a sa
21、ge (智者) compared life to a journey. Are we going to make this life a terrible 18 or are we going to make the life a joyful one? It 19 our own choice.All roads no matter how they twist and turn, can 20 us home in our hearts. May you always walk your path with love! May you always help your fellow tra
22、velers along the way!语篇解读：本文是一篇记叙文。“我”沿着湖边一条不熟悉的小路散步，不知不觉天色已晚，“我”很害怕但还是在晚饭前回到了家。回家的路不止一条，心中有家，总能找到回家的路。1A.townsBfarmsChills Dvillages解析：选C根据上句，并结合该句“The field, and woodlands around my home were the perfect playground.”可知，“我”家周围的田野、山地(hills)、树林都是完美的游乐场，故C项正确。2A.lake BfarmhouseCforest Dhighway解析：选A根据该
23、句中的“and walking slowly around it”，并结合第二段尾句中的“the lake”可以推断，“我”绕着附近的一个湖泊(lake)散步；A项意为“湖泊”，故A项正确。3A.appreciating BrefusingCintroducing Dexploring解析：选D根据上文中的“At the back of it I was amazed to find an old dirt road that I had never seen before.”可知，这条古旧的土路“我”从来没有看到过；结合该句内容可知，土路上满是泥泞的轮胎印迹，两边是深林，但探索(explor
24、ing)它仍然像是一次美妙的冒险。D项意为“探索”，故D项正确。4A.drove BwalkedCflew Drode解析：选B根据上文“walking slowly”可以推断“我”一直走(walked)，似乎走了几个小时，故B项正确。下文中的“walked on”亦是提示。5A.scolding BwhisperingCsinging Dwaving解析：选B根据该句中的“in my ears”，并结合全句内容可知，“我”确信有人在“我”的耳边低语(whispering)；B项意为“低语”，故B项正确。6A.wander BlandCpace Dhead解析：选D根据该句中的“turn ar
25、ound and”和“back home”可知，有一个人在“我”耳边低语，让“我”转身、回家；head back home意为“回家”，故D项正确。7A.stubborn BdesperateCsad Danxious解析：选A根据该句中的“and even a bit stupid, so I walked on”可推知，空处应和形容词“stupid”对应，故A项“固执的”，符合语境。8A.in order Bin comfortCin sight Din need解析：选C根据该句“There was still neither a car nor a house ”，并结合上文的内容可知
26、，“我”沿着一条古旧的土路一直走，仍然看不到一辆车、一间房子；C项意为“看得见，在视野内”，符合语境，故C项正确。9A.thrilled BdisappointedCastonished Dscared解析：选D根据该句中的“I noticed that the sun was starting to go down”及常识可推知，“我”注意到太阳开始下山了，“我”感到害怕(scared)。10A.exposed BtrappedCinjured Dworried解析：选B根据语境可推知，“我”不想在黑夜里被困(trapped)在这条路上；B项意为“被困的”，故B项正确。11A.though
27、BifCwhen Dbefore解析：选D根据语境可知，“我”担心在“我”再次回到湖边之前(before)天会黑下来。12A.beating BsinkingCblocking Dracing解析：选D根据空前一句“I continued to walk on with the fear growing inside of me.”可知，“我”继续前进，心里越来越害怕；据此可以推断，“我”的心急速跳动(racing)着，双腿隐隐作痛；D项意为“急速跳动”，故D项正确。13A.searched BturnedCchecked Dexamined解析：选B根据该句中的“When I one las
28、t corner and saw a house”可知，当“我”转过最后一个拐角时，“我”看到了一幢房子；B项意为“转弯”，故B项正确。14A.owned BoverlookedCrecognized Ddefined解析：选C根据该句中的“I jumped up and down and laughed out loud”可知，“我”上下跳了起来，并笑出了声；据此可以推断，“我”认出(recognized)了一幢房子；C项意为“认出”，故C项正确。15A.arms BlegsChead Dhands解析：选B根据空前一句“I knew the way home！”可知，“我”知道了回家的路；
29、结合该句“It was still over a mile away, but felt like feathers.”且和该段第二句中的“my legs were aching”呼应可推知，虽然离家还有不止一英里，但“我”感到双腿(legs)轻松起来，故B项正确。16A.danced BstormedCdragged Djumped解析：选A根据上文中的“I jumped up and down and laughed out loud”可知，看到认识的房子，“我”很兴奋；结合该句中的“with a big smile just in time for dinner”可推知，“我”蹦蹦跳跳(
30、danced)地进了房子，刚好赶上吃晚饭；A项意为“雀跃，轻快地移动”，故A项正确。17A.design BsignatureCsignal Dsign解析：选D根据该句“I remembered this recently when I saw a that said, All roads lead home”可知，“我”看到一个标牌(sign)，上面写着：“回家的路不止一条。”D项意为“标牌”，故D项正确。18A.scene BtripCevent Dsight解析：选B根据上文中的“a journey”并结合该句内容可推知，我们是要人生之旅(trip)变得糟糕，还是要让它变得快乐？B项意为“旅行”，故B项正确。19A.depends on Bdecides onCdeals with Drefers to解析：选A结合该句“It our own choice”可推知，这取决于(depends on)我们自己的选择。A项意为“取决于”，故A项正确。20A.move BurgeClead Dtransport解析：选C根据上文中的“All roads lead home”可知，回家的路不止一条；结合该句语境可知，道路不管多么曲折，都能指引(lead)我们回家。C项意为“引领”，故C项正确。