2020-2021学年新教材高中英语 Unit 5 What an adventure Developing ideas课后作业（含解析）外研版必修第三册.doc

1、Unit 5 What an adventure.完形填空Always wished the Earth had a second moon? Then you will be _1_ to hear that the Chengdu Aerospace Science Institute has plans to launch multiple mini moons over the next few years.Similar to our _2_ satellite, the light of the artificial orb (球体) will be obtained from t

2、he sun and _3_ to Earth by its mirrorlike coating. According to its designers, the amount of light being reflected can be controlled from Earth and the light can even be _4_， if necessary.While the multiple mini moons will certainly appear picturesque, their main purpose is to conserve resources. Th

3、e Chengdu Aerospace experts claim the mini moons dusklike glow will allow the government to eventually _5_ costly streetlights in cities. They estimate that using the artificial satellite to light up Chengdus streets at night will _6_ the city 1.2 billion yuan annually. Since the orbs location can b

4、e easily moved, it could also be used to shine light over disasterstruck areas that have lost _7_.Once the first mini moon is _8_ successfully, the experts plan to launch three _9_ ones. Together, the satellites, which will take turns depending on their _10_ in relation to the sun, are expected to _

5、11_ an area of 3,600 to 6,400 square kilometers. While the orbs will be _12_ through a telescope from anywhere on the globe, their real beauty will only be seen by visiting Chengdu. Officials, therefore, believe they will be a huge tourist attraction, helping improve the citys economy.As is often th

6、e case with major _13_， some experts are concerned. They _14_ that the moons will impact on the sleep patterns of humans and animals. However, officials believe the satellites will cause little, if any _15_. 本文主要讲了成都航天科学院在接下来的几年计划发射多颗微型卫星，这不仅能节省资源，还能帮助受灾地区，对人类是有重大意义的。1A.pleasedBsurprisedCalarmedDrel

7、ieved解析：考查形容词辨析。pleased高兴的，surprised惊讶的，alarmed担心的，relieved如释重负的。那么你将高兴地听到成都航天科学院在接下来的几年计划发射多颗微型卫星，故答案为A。答案：A2A.traditionalBuniqueCnaturalDfamous解析：考查形容词辨析。traditional传统的，unique独一无二的，natural自然的，famous出名的。跟我们自然的那个月球相似，故答案为C。答案：C3A.carriedBreflectedCintroducedDtransformed解析：考查动词辨析。carried携带，reflected反

8、射，introduced介绍，transformed转换。这颗人工球体也将从太阳吸收光线，反射到地球，故答案为B。答案：B4A.sent outBswitched offCgiven awayDturned down解析：考查动词短语辨析。sent out发送，switched off关闭，given away赠送，turned down拒绝。如果有必要，这些阳光还可以关闭，故答案为B。答案：B5A.rebuildBexpandCimproveDremove解析：考查动词辨析。rebuild重建，expand扩大，improve提高，remove移除。成都航天科学院专家声称微型月球将让政府最终

9、去除城市里昂贵的街灯，故答案为D。答案：D6A.bringBleaveCsaveDcost解析：考查动词辨析。bring带来，leave离开，save节省，cost花费。这将每年为成都节省12亿元，故答案为C。答案：C7A.moneyBhomeCcontactDpower解析：考查名词辨析。money钱，home家，contact联系，power电力。此处指受灾地区没有电的时候，可以使用卫星的反射光，故答案为D。答案：D8A.travellingBappearingCworkingDsignaling解析：考查动词辨析。travelling旅行，appearing出现，working工作，si

10、gnaling发信号。第一颗微型月球成功运转之后，故答案为C。答案：C9A.additionalBspecialCbrightDcolorful解析：考查形容词辨析。additional额外的，special特别的，bright明亮的，colorful多彩的。专家计划发射另外的三颗卫星，故答案为A。答案：A10A.sizeBimportanceCpositionDfunction解析：考查名词辨析。size大小，importance重要性，position位置，function功能。这些卫星将根据与太阳的位置轮流运转，故答案为C。答案：C11A.pick upBtake upChold upD

11、light up解析：考查动词短语辨析。pick up捡起，take up从事，hold up举起，light up点亮。这些卫星预期能照亮3 6006 400平方公里，故答案为D。答案：D12A.reliableBvisibleCavailableDtestable解析：考查形容词辨析。reliable可依赖的，visible看得到的，available可获得的，testable可检验的。这些球体在望远镜中能被看到，故答案为B。答案：B13A.drawbackBbreakthroughCtechnologyDconflict解析：考查名词辨析。drawback缺点，breakthrough突

12、破，technology科技，conflict冲突。正如面对重大突破时的常见情况，一些专家也表示担忧，故答案为B。答案：B14A.doubtBconcludeCworryDagree解析：考查动词辨析。doubt怀疑，conclude总结，worry担心，agree同意。一些专家担心会影响人们的睡眠模式，故答案为C。答案：C15A.disturbanceBdestructionCsatisfactionDdiscussion解析：考查名词辨析。disturbance干扰，destruction摧毁，satisfaction满意，discussion讨论。然而，官方认为这些卫星如果造成干扰的话，

13、也是很小的， 故答案为A。答案：A.语法填空Our bodies can be younger or older than our actual age _1_ (depend) upon diet, lifestyle choices and physical activity. This is called biological (生理的) age, _2_ could be different from the age on your drivers license, which _3_ (call) chronological (时间的) age. _4_ recent study o

14、f over 900 adults who were tracked for 12 years, from ages 2638, _5_ (show) that people who were aging faster, meaning that their biological age was higher than their chronological age, were not as healthy or _6_ (physical) fit. This group was also more likely _7_ (have) cognitive decline (认知衰退) and

15、 was at a _8_ (great) risk for agerelated health conditions.A growing body of research proves that the keys to aging successfully are a _9_ (combine) of exercising regularly, keeping busy with life, and maintaining a healthy diet with nutritious foods. These three key elements could contribute _10_ aging gracefully, and successfully, too.1depending2.which3.is_called4.A5.showed6.physically7to_have8.greaterbination10.to