【文章內(nèi)容簡(jiǎn)介】 miles at Will, he responds by smiling back. This twoway interaction not only helps attract the students39。 attention, but also allows the program39。s developers to monitor their engagement, and make changes if needed. Nikhil Ravishankar believes that Willlike avatars could be a novel way to catch the attention of the next generation. He says, “I have a lot of hope in this technology as a means to deliver costeffective, rich, educational experience in the future.” The program, in place since August 2018, has been a great success thus far. Ravishankar says, What was fascinating to me was the reaction of the children to Will. The way they look at the world is so creative and different, and Will really captured their attention. However, regardless of how popular it bees, Will is unlikely to replace human educators any time soon.（1）What was special for some elementary school students in Auckland? A.A digital teacher taught them.B.They first saw something digital.C.This was the start of a new school year.D.They could get close to smartphone screen.（2）What is the benefit of this twoway interaction? A.It can smile back.B.It can use microphone.C.It can talk any topic for free.D.It can change if necessary.（3）What39。s Ravishankar39。s attitude to Will39。s replacing Human educators soon? A.Optimistic.B.Doubtful.C.Unclear.D.Disapproving.（4）What might be the best title for the passage? A.New Hightech Contributes to EducationB.The World39。s First Digital Teacher Appears in Classroom.C.The World39。s First Digital Teacher, a Help to StudentsD.New Zealand Will Replace Teachers in Classrooms【答案】 （1）A（2）D（3）D（4）B 【解析】【分析】本文是一篇說(shuō)明文，介紹了一款智能機(jī)器人走進(jìn)小學(xué)課堂，為孩子們講授能源可持續(xù)發(fā)展。 （1）考查細(xì)節(jié)理解。根據(jù)第一段中的“They became the world39。s first kids to be “taught” by a digital teacher”可知，他們成為世界上第一批由智能機(jī)器人老師“教”的孩子。由此可知，特殊之處在于機(jī)器人老師教他們。故選A。 （2）考查細(xì)節(jié)理解。根據(jù)第三段中的“This twoway interaction not only helps attract the students39。 attention, but also allows the program39。s developers to monitor their engagement, and make changes if needed.”即“ 這種雙向互動(dòng)不僅有助于吸引學(xué)生的注意力，還允許程序的開發(fā)人員監(jiān)視他們的參與度，并在需要時(shí)做出更改”，由此可得出，其優(yōu)勢(shì)在于需要時(shí)，可以做出變化。故選D。 （3）考查推理判斷。根據(jù)最后一段中的“However, regardless of how popular it bees, Will is unlikely to replace human educators any time soon.”可知，Ravishankar認(rèn)為它不會(huì)在短期內(nèi)代替人類教育工作者。故選D。 （4）考查主旨大意。根據(jù)第一段中的“While the start of a new school year is always exciting, this year was even more so for some elementary school students in Auckland, New Zealand. They became the world39。s first kids to be “taught” by a digital teacher”可知，從新學(xué)年開始，新西蘭奧克蘭的小學(xué)生將成為世界上第一批被機(jī)器人老師教的孩子。之后文章就此展開，由此可推斷出he World39。s First Digital Teacher Appears in Classroom最符合本文的標(biāo)題。故選B。 【點(diǎn)評(píng)】本題考點(diǎn)涉及細(xì)節(jié)理解，推理判斷和主旨大意三個(gè)題型的考查，是一篇科教類閱讀，要求考生在捕捉細(xì)節(jié)信息的基礎(chǔ)上，進(jìn)一步根據(jù)上下文的邏輯關(guān)系，進(jìn)行分析，推理，概括和歸納，從而選出正確答案。5．犇犇閱讀理解 A study found wireless signals are able to pass through bags and suitcases to judge the sizes of dangerous metal objects and identify them. These items could include weapons, chemicals, laptops and batteries for bombs, the research team said on Tuesday. Research suggested that WiFi can now be used to estimate the volume of liquids such as water, acid, alcohol and other chemicals for explosive material. The study led by researchers at the Wireless Information Network Laboratory (WINLAB) in the School. of Engineering showed a wireless device with two to three antennas(天線)that could be fitted in existing WiFi networks. The detection system analyzes what happens when wireless signals go through and bounce off objects or materials. The approach, which the paper states, works by separating the wireless interference(干擾)caused by two factors of objectsthe material and shape. Most dangerous objects such as weapons are usually metal or liquid, which have significant interference, researchers said. When it was tested on a backpack, the accuracy rate topped 95 percent. But the accuracy dropped to about 90 percent when objects inside bags are wrapped. And the tech could save lives if used in museums, stadiums, theme parks or schools, the team said, noting its design can inspect bags or luggage without being an exposure to privacy. It uses channel state information (CSI) that is readily available in lowcost WiFi devices. This could have a great impact on protecting the public from dangerous objects, said Yingying Chen, a coauthor of the study, There39。s a growing need for that now. In large public areas, it39。s hard to set up expensive screening equipment like what39。s in airports. Manpower is always needed to check bags and we want to develop a method to try to reduce manpower.” The peerreviewed study, which recently won a best paper award at the 2018 IEEE Conference on Communications and Network Security, is now published online. Future work will continue to focus on ameliorating the accuracy of identifying objects and imaging shapes and volumes, researchers said.（1）What does paragraph 3 talk about? A.The function of the technique.B.The way the device works.C.The principle the study is based on.D.The benefit of the study findings.（2）What39。s the advantage of the device? A.It saves people in danger of natural disasters.B.It passes through bags without damaging them.C.It uses antennas to pick up networks39。 signals.D.It protects personal information from being disturbed.（3）Why did the researchers study the device according to Yingying Chen? A.To save money and labou