21世纪大学英语4(第三版)听力原文及答案

第一单元

美国军方资助的弹药和使用缩写的IRAM NE报告称它们是飞航路边炸弹，所有的IRAM都可以装在一个敞开的背包后面，并通过遥控器发射，这是一个自制的多发火箭系统。这是非常危险的。”那是Michael Oates少将。美军和联军在伊拉克中部、巴格达南部的指挥官。S。官员们指控伊朗特工提供装备和训练高功率路旁炸弹，杀死了几名U。S。伊朗政府否认这一指控已向几个美国小基地发射，造成3人死亡。S。部队和伤人15，但最致命的伊拉姆事件涉及六月初流产，其中几枚炸弹过早爆炸，杀死16名伊拉克平民和两名袭击者。

波士顿大学和阿萨诸塞州综合医院的一组研究人员正在共同努力，使血糖自动控制成为现实。这一切都始于一位父亲，他的儿子是糖尿病患者，这个特别的父亲，达米亚诺也恰巧是一名生物医学工程师，而G。艾夫斯让他尝试解决儿子面临的挑战。他的儿子胰脏不能正常工作，所以他没有将胰岛素或胰高血糖素释放到他的系统中来控制血糖。达米亚诺和他的团队提出了一种系统，该系统使用双胰岛素/胰高血糖素泵，并与一个恒定的血糖监测植入物相连，该植入物与A智能手机可以使糖尿病患者与这种仿生胰腺几乎完全正常的生活。这一切都始于一位父亲说：“如果。？

Dan Wright是树顶建筑商的创始人，自2003创办公司以来，他已经建造了400多座树屋。怀特公司开着自己的树屋工作室，Bala Sundar和他的妻子Lakshmi为自己建造了一个树屋，“我们想在一个僻静的地方建造一些东西，我们可以来这里放松一下。比起我的孩子，更多的是我想要的空间。有床、桌子和窗户，是一个舒适舒适的地方度过一个夏天的夜晚。60岁的鲍伯奇迹想要为他的孙子建造一个。Sandy Kiefer是大提琴教官。她的梦想是建造三座树屋并用它们来做早餐。安装特殊的树形螺栓是工作中最重要的部分。随着树的生长，有时你需要移动部分结构或者把它的一部分剪下来，让树屋每年生长。然后在树梢上升起底座。它很快就会成为一座大树屋的基础，所以孩子们或大人都可以在树顶上玩耍。

M:你看了昨晚电视节目《关于藤壶的粘合特性》吗？

W:不，我错过了。你对他们有什么了解？

M：它们在出生后不久就粘在海洋中的岩石上。他们也呆在同一个地方。你曾经试过去掉其中的一件东西吗？把岩石炸开比把藤壶关起来容易些。

男：没错！这就是为什么科学家们试图弄清藤壶的胶水是什么，它被认为是自然界中最强的粘合剂之一。

W:它的优点是能够在潮湿的表面上工作。

M：正是如此。因为它是一种天然蛋白质，它可能不会对像现在使用的许多合成胶黏剂一样有害的人：想想医生和牙医可以用这种方法修补骨头，固定假牙M：有无数的用途。科学家希望能很快了解胶水是什么制成的，这样人们就可以利用它。

男士：对不起。你等了很久了吗？W:大约十分钟：你注意到了否。7路公交车经过了吗？W:不是我站在这里的时候。我在等待“不”。7我自己：好。炎热的一天，不是吗？W：是的，是的。我希望天会下雨和凉爽：我也是。这在三月是不寻常的。我不记得我在3月以前是如此炎热和干燥，在W之前：你来自佛罗里达州，然后M:不是。我出生在纽约，但我在这里已经住了十年了。W:我和妈妈刚从印第安娜搬到这里。M:印第安娜很冷，不是吗？W：是的。这就是我们搬家的原因。但我们不知道佛罗里达州会这么热。我们本应该去加利福尼亚的。你认为我们错过了公共汽车吗？M:不，总是有点晚W：我有二十比一，但是我的表有点快：不要担心它不会在半小时内准确地出现。男士：对不起。你等了很久了吗？W:大约十分钟：你注意到了否。7路公交车经过了吗？W:不是我站在这里的时候。我在等待“不”。7我自己：好。炎热的一天，不是吗？W：是的，是的。我希望天会下雨和凉爽：我也是。这在三月是不寻常的。我不记得我在3月以前是如此炎热和干燥，在W之前：你来自佛罗里达州，然后M:不是。我出生在纽约，但我在这里已经住了十年了。W:我和妈妈刚从印第安娜搬到这里。M:印第安娜很冷，不是吗？W：是的。这就是我们搬家的原因。但我们不知道佛罗里达州会这么热。我们本应该去加利福尼亚的。你认为我们错过了公共汽车吗？M:不，总是有点晚W：我有二十比一，但是我的表有点快：不要担心它不会在半小时内准确地出现。

随着价格和建筑成本的不断上升，“自食其力”（DIY）趋势持续增长，我们需要为我们的客厅准备家具，“约翰·罗斯说，”我们只是没有足够的GH钱购买它。所以我们决定试着做几张桌椅。约翰六个月前结婚了，现在和许多年轻人一样，他们正努力在生活费用很高的时候回家。Rosses在一所夜校上了280美元的为期两周的课程。现在他们把所有的家具都修好了，修理房子周围的Jim Hatfield有三个男孩，他的妻子死了。他在家里有一份全职工作，还有一家制鞋厂。上个月，他收到了S420的一张汽车修理单，“我对此很苦恼。现在我已经完成了一个汽车修理课程，我应该能自己修车。约翰和吉姆并不是不寻常的人。美国的大多数家庭都在尽其所能来省钱，这样他们就可以与高昂的生活费用抗争。如果你想成为一个“自己动手”的人，你可以去上DIY课程。对于那些没有时间参加课程的人来说，有一些书告诉你，你可以自己做事情。

我们中的一些人花了高中的时间去解剖青蛙，在偶尔的舞蹈中感到尴尬，但是西班牙的一小部分学生在教育时间方面做得更酷了：他们把数码相机送到了太空，一个老师和四个来自Catal莱斯拉比巴斯学校的学生。西班牙航空公司购买了一个价值60美元的气球，并安装了一个80美元的数码相机，然后把它送上天空，拍摄一些高空照片。这个小组只想看看他们是否能让他们自制的气象气球飞到大多数商用飞机飞行的高度。但是到了30000英尺，气球一直爬升到离地球20英里远的地方，在太空的边缘。利用气象传感器和谷歌地球追踪气球

的进展，团队追踪了大气状况，并捕捉了一些令人惊奇的照片。四名学生和他们的老师在2009年2月完成了实验。该小组自己建造了电子传感器部件，然后将它们连同摄像机一起

放进一个保护性的外壳中，然后将钻机释放到天空中，气球上升到100英尺以上的高度，然

后掉落地面。该团队飞行超过10公里寻找气球和设备。他们惊奇地发现，尽管暴露在极端

恶劣的环境中，设备仍在发出信号。

尽管存在争议，直接面向消费者的基因检测正变得越来越流行。这种基因测试更像是自己动手做的诊断。它变得几乎一样容易作为一个家庭怀孕测试。人们可以使用他们的信用卡在网上订购一套工具，用刷子去除一些脸颊细胞，返回工具并通过电子邮件接收报告。DTC测试成本从几百美元到几千美元，可用于从乳腺到癌症的超过800个条件。尽管存在争议，直接面向消费者的基因检测正变得越来越流行。这种基因测试更像是自己动手做的诊断。它变得几乎一样容易作为一个家庭怀孕测试。人们可以使用他们的信用卡在网上订购一套工具，用刷子去除一些脸颊细胞，返回工具并通过电子邮件接收报告。DTC测试成本从几百美元到几千美元，可用于从乳腺到癌症的超过800个条件。

U。S。人口可能是特别准备DTC测试，因为它有一个自己动手的伦理，习惯于支付口袋里的医疗服务。提供基因测试的公司热衷于广泛的DTC测试的前景。他们认为基因测试与非DNA测试没有什么不同。但并不是每个人都为消费者能够接受基因测试而感到兴奋。有些人担心DTC基因检测对公众构成危险。患者可能会经历心理伤害，因为他们可能不理解结果意味着什么，那么在互联网上缺乏监管也可能导致这样一个事实，即网络给你的信息可能是非常误导和潜在的危害你。然而，只要医生能帮助他们，许多人对缺乏监管感到满意。那么DTC基因测试的未来是什么呢？我们不能指望在未来几年里对基因疾病进行广泛的自我筛查。但我们可以预测某些疾病的DTC基因检测的增长，并完全期待这种技术将与我们同在。四百四十四

答案

1-2：A C

3-4: B C

5-7: A B D

8-11:D B D D

12-15:C C A C

16-18:B B A

19-22:A D C B

23-25:A D B

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UNIT1 PARTA SECTIONA TASKTWO CCCCA CB DCCTASKONESECTIONB BDCBA TASKTWO TFTFT TASKTHREE PARTB SECTIONA TASKONE DCB TASKTWO 1.identical 2.cut 3.rough 4.sew 5.subscribe SECTIONB TFFFT Lemon battery An LED Have enough power Is capable of empowering up to three LEDs A night light or a simple flash light PARTD 1-2 AC 3-4 BC 5-7 ABD 8-11 DBDD 12-15 CCAC 16-18 BBA 19-22 ADCB 23-25 ADB UNIT2

PARTA SECTIONA TASKTWO CDACD SECTIONB TASKONE CA ACB TASKTWO CBBDD TASKTHREE TFTTF PARTB SECTIONA TASKONE BCB TASKTWO 1.privacy 2.free 3.build 4.signing 5.personal SECTIONB TFFTT Almost 120 mile an hour Have been responsible for Took the life of Bottom line Break the rules of engagement,privacy and decency PARTD 1-2 DC 3-4 BB DBC 7-5． 8-11 CBAC 12-15 CBBB 16-18 DDC 19-22 DDDD 23-25 DDD UNIT3 PARTA SECTIONA TASKTWO BBCBC BC CBA SECTIONB TASKONEBDADCTASKTWO FTTFF TASKTHREE PARTBBDCSECTIONA TASKONE 1.public 2.appropriate 3.opinion 4.motivation 5.barrier TASKTWO

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Unit 3 Before Watching： 1) please 2) available 3) any singles 4) with a single bed 5) a double 6) a double bed 7) a suite 8) any vacancies 9) reserve 10) book 11) a reservation 12) have a rvservatlon 13) at the front 14) at the rear 15) you have 16) with a view of the beach 17) a wake-up call 18) the rates 19) room service 20) by 21) checkout 22) credit cards While Watching： 1) a uniform / a receptionist 2) a badge 3) on his mobile phone

4) dressed up 5) a magnetic card 1) May I help you 2) make a reservation 3) on October 10th 4) on the 14th 5) in all 6) with a single bed 7) spell your last name 8) My phone number 9) I got it 10) have a reservation 1) I'll check 2) is that 3) with a view of the lake 4) a wake-up call 5) will that be 6) accept a Visa card 7) Is breakfast included 8) Breakfast is served 9) the magnetic card 10) Have a nice stay 1) make a reservation 2) plans to 3)on the afternoon of October 10th 4) for four days 5) with a view of the lake