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1、Unit 11 Science and Technology,CONTENTS,1,2,1,TEACHING AIMS,After studying this unit, you are required to: 1. Have a general idea of Science and Technology. 2. Understand the importance of Science and Technology. 3. Master the difficult words and expressions.,Text A Lyndon B. Johnson Space Center,TE
2、XT A Preview,建立于1961年的约翰逊航天中心，即林顿约翰逊太空中心，坐落于美国得克萨斯州的克利尔湖西畔，距休斯敦市区约40千米，占地4.38107平方米。它是美国国家航空航天局属下的一个机构，担负着美国载人航天飞行的设计、研制和试验工作。它还是实施“水星”“双子星”“阿波罗”计划和天空实验室、国际空间站等载人航天计划的主战场。现在，该中心是NASA的月球标本库、航天飞行科学研究和医学研究的大本营，并在天体岩石研究上处于世界领先地位。,TEXT A Reading Comprehension,Read the following sentences and decide wheth
3、er they are true（T) or false（F),1.The centers Mission Control Center has not been the operational center of every American human space mission since Gemini V. （ ） 2.In addition to housing NASAs astronaut operations, JSC is also the site of the former Lunar Receiving Laboratory, where the first astro
4、nauts returning from the moon were quarantined, and where the majority of lunar samples are stored.( ) 3.In the wake of the January 28th, 1986 Space Shuttle Columbia disaster, then-President Ronald Reagan and First Lady Nancy traveled to JSC on January 31 to speak at a memorial service honoring the
5、astronauts.( ),TEXT A Reading Comprehension,4.The Apollo Mission Control Center, a National Historic Landmark can be found in building 300. ( ) 5.Astronauts begin their training in the SMS using training software until they are assigned to a particular mission. Astronauts also train with the flight
6、controllers in the Mission Control Center. ( ),TEXT A Notes,The Apollo program: was the American spaceflight endeavor which landed the first humans on Earths Moon. Conceived during the presidency of Dwight D. Eisenhower and conducted by NASA, Apollo began in earnest after President John F. Kennedys
7、May 25, 1961 special address to a joint session of Congress declaring a national goal of “landing a man on the Moon“ by the end of the decade.,TEXT A Notes,2.William Marsh Rice University: commonly known as Rice University and opened in 1912 as The William Marsh Rice Institute for the Advancement of
8、 Letters, Science and Art is a private coeducational research university located in Houston, Texas, United States. Its campus is located near the Houston Museum District and adjacent to the Texas Medical Center. Rice began operation in 1912 as a coeducational institution with free tuition. The unive
9、rsity was founded several years after the murder of its namesake, the prominent Houston businessman William Marsh Rice, who left a $4.6 million ($111 million in current dollars) funding endowment in his will. It is listed as one of thirty Hidden Ivies and as one of Newsweeks “New Ivies“. Rice Univer
10、sity is currently ranked 17th in the United States according to the 2010 US News and World Report.,TEXT A Notes,3.Galveston Bay: is a large estuary located along the upper coast of Texas in the United States. It is connected to the Gulf of Mexico and is surrounded by sub-tropic marshes and prairies
11、on the mainland. The water in the Bay is a complex mixture of sea water and fresh water which supports a wide variety of marine life.,TEXT A Notes,4.Project Gemini: was the second human spaceflight program of NASA, the civilian space agency of the United States government. Project Gemini operated be
12、tween Projects Mercury and Apollo, with 10 manned flights occurring in 1965 and 1966. Its objective was to develop techniques for advanced space travel, notably those necessary for Project Apollo, whose objective was to land humans on the Moon. Gemini missions included the first American spacewalks,
13、 and new orbital maneuvers including rendezvous and docking.,TEXT A New Words and Expressions:,1.expedition ,ekspidin n. 远征；探险队；迅速 He bound himself to pay half the cost of the expedition. 他保证支付这次远足旅行费用的一半。 2.availability ,veilbilti n. 可用性；有效性；实用性 The availability of choice obviously exacerbates both
14、 these factors. 而选择的增加显然加剧了这两种包袱。 3.proximity prksimiti n. 亲近，接近；邻近 Amplified by proximity, the gravity of the stars modifies the rotation speed of the ellipses. 星球的重力被其近邻的星球放大，进而修改了椭圆的旋转速率。,TEXT A New Words and Expressions:,4.telecommunication network远程通信网络 Connection to a data communications netwo
15、rk through a public switched telecommunication network. 通过公用交换电信网连接到数据通信网络。 5.coordinate ku:dinit, ku:dineit vt. 调整；整合vi. 协调 Coordinate labour relations and gradually improve the living standards of the workers. 协调劳动关系，逐步提高劳动者的生活水平。 6.monitor mnit n. 监视器；监听器；监控器；班长vt. 监控 Unless the public can monito
16、r a funds behaviour, there is no guarantee public money will be invested efficiently. 除非公众能够监视一个基金的行为，否则无法保证公众的钱会被有效的投资。,TEXT A New Words and Expressions:,7.egress i:res n. 外出；出口vi. 外出vt. 使外出 But his parents egress frequently remain him in the family. 他父母经常外出而把他一个人留在家里。 8.splashdownspldaun n. 在海中溅落，在海中降落 Recovery ships and helicopters are headed for the splashdown area. 载回船只和直升飞机正向溅
