1、C) It covernt ofscience.D) It onscisC) It will be more entcrtammg.10. A)People interested in science.B)Youngsters eager to explore.D) Students majoring in science.C) Help promote it on the Internet.D) Makeepisodes for its first season.11. A)Offer professional advice.B) Provide financial support.C)Al

2、ways from D) Treat others the way he would be treated.Section CDirections: In this section, you will hear three passages. Atthe end of each ou will hear three orfourquestions. Both the passage and the questions will be spoken only once. hear a question, you mustchoose the best answerfrom the four ch

3、oices marked C)and D). Then mark thecorrespondingletteronAnswer Sheet 1 with a single line through the centre.Questions 16 to 18 are based on the passage you have just heard.16. A)They have a stronger sense of social They are more likely to become engineers.B)They are more likely to succeed in the h

4、umanities.D)They havegreater to leaders17. A)Praise girls who like to speak up frequently.C) Insist boys girls moreB) Encourage girls to solve problems on their own. D) morepositively to ments.19. A) It often rams cats and dogs.B) It seldom rains in summer time.20. A)They drive most of the time.B) T

5、he rain is usually very light.C) It not asmuchas people thinkD) It is of mostrainycities theU.S.C) They got todaysthan any citybothinsummerandin .22. A)It occurswhenpeople are doing arepetitiveactivityfrom when engagein an認(rèn)準(zhǔn)淘寶店鋪：光速考研工作室，贈(zèng)送增值資料 a paragraph morethan once.EachparagraThe quiet heroism o

6、fmail deliverya poI brought b ter cold Midwest. Overnight, Chicagoreached a 21A) On Wednesday,degrees Fahrenheit belowzero,making it slightly colder than Antarctica (南極洲）， Alaska, and the NorthPole.Wind chills were 64 degreesbelow Park Rapids, Minnesota, and 45degrees according National,Weather Serv

7、ice. Schools, and businessessuspended mail delivery. Due tothis arctic the em ay g, the Postal Service isit ZIP Code ns. regionswere listed as unsafe does the f In 2018 wildfires,reported,Pue110Rico is con structuraldestructionand scarcity from 2017sHurricane Maria. disasters wreck a infrastructure,

8、 disrupting syste ms formonthsoryears. Someservices, remind us that life willeventuallyreturn,in some normal.）ofa USPS worker, Trevor Smith, driving through burned homes in that familiar white van, collecting mail inan affected area. The video is striking: The operation is familiar, but the scene lo

9、oks like the end ofthe worldAccording to Rae Ann Haight, the for the national-preparedness office at USPS,Smith wasfulfilling a request made by some ofthe home owners to pick up any mail that was left untouched.ForSmiththis was just another day onthe job. my roe I normally told As Icame across a box

10、 that was up but with no house, I checked, and there was mail-outgoing Andso we picked those up and carried on.management teams are crisiscontrol. ms are trainedannuallyusing a knownas the three Ps: people, product.Aftermail service stops due to weather, the agencys top priorityevaluates the of such

11、 as the roads ailhow to If is extreme, mailis ensuring that employees are Then itcarriersdrive on. decides whe n andaddressed to theareawill get sent elsewhere.incomingNew Orleans mail mailOrleansfacilities was to an In response in 2005, USPSredirectedfacilities in ail that was Newso it would tected

12、 damage.(郵遞員） start distributing accumulated mail onthe stillF) As soon as its safe enough to be outside, couriersaccessible routes. USPS urgesthose without addresses to e forms with the訂new location. Katrina hit in2005, mail facilities were up in dozens oflocations across thevide street the that US

13、PSwas unable to proG) Every day, USPS average, 493.4 million pieces ofmailanything Security checks to medicine. Spokespeople from both USPS and UPS told me all somemail can be extremely sensitive and timely. According to data released in January ofbills arepaidonline, that just under half ofpayments

14、 still rely ondelivery completed.H) It can be hard to identify which parcels are carrying crucial items such as SocialSecurity checks, buttry their best to prioritize sensitive They will ith theSocial Security4認(rèn)準(zhǔn)淘寶店鋪：光速考研工作室，贈(zèng)送增值資料online courseProfessorGois a corerequirement of Techs online Master o

15、f Science indeal with the overwhelmingel alreadyhad eight teaching assistants but that wasnt enough to,support. Whenteach ngiisolated or confused and reach out with questions that go unanswered, their motivation to continue begins to fade.Professor Goel decided to do something to remedy this situati

16、on and his solution was to create a virtual assiStanton theIBM Watson Goel and his team developed several versions of Jill Watson before releasing her to the online forums. Atfirst,the virtual assistant find allonline discussion forum toed theever been asked since the class was launched. Then they b

17、egan to feed Jill with theAfter someadjustment and ffi to answer the students questions40,000questions and answers.su cient time, Jill was ablecorrectly 97% ofthe time. Thevirtual assistantbecame so advanced and realistic that the students didnt know shewas a computer.Thestudents, who were studying

18、artificial intelligence, were interacting with the virtual assistantand couldnt tell it apartfrom a realh叩1an being. Goel didnt inform aboutJills true identity until April 2640%posed by students o n theonliae forum. The name Ji ll Watson will,change to something else nextof course,semester. has a m uchM,C) It is a high-tech device that revolutionizes teac扣ngB) It is a course designed for to learn online. D)It is a computer program thataids student learning47. What problem did Professor Goel meet with?D)Too manystudents outof his