Li yanhong, co-founder of search engine Baidn...

Li yanhong, co-founder of         search engine Baidn, has         deep understanding of Internet technology.

A. /;a          B. the; /               C. a; a             D. the; a

高二英语单项填空中等难度题查看答案及解析

The world’s biggest Internet search engine, Google, has proven once again to be king of the Web. Users can download “Google Wi-Fi” software and then enjoy free Wi-Fi service available in some US cities since last Tuesday.

Wi-Fi is short for “Wireless Fidelity”(无线上网). It allows laptop computers and personal digital assistants to connect to the Internet at high speed by radio sigal.

A person with a Wi-Fi enabled computer can connect to the Internet when near one of the network’s access points. The place covered by one or several access points is called a hotspot. Google had already set up two “hotspots” in the US city of San Francisco which provide a free Wi-Fe service.

The Wi- Fi technology even allows users to enjoy a free Internet phone service. Some scientists argue that Wi-Fi may replace mobile phone networks.

Wi-Fi is stioo limited to a few cities, where there are “ hotspots”. But its capability(容量) of sending information has already done better than that of the mobile phone network, even that of 3G (Third Generation telecommunication technology). Some scientists have started to call Wi-Fi 4G.

In addition to a high speed Internet connection, Fi-Fi has other advantages compared to mobile phones. We-Fi is global. The same Wi-Fi system works in different countries around the world. Different from using cell phones, you don’t need to change computers to use Internet phones when you go to other places and most importantly, many Internet phones cost you nothing at all.

1. Wi-Fi is not available in cities without_____.

A. a computer   B. a radio   C. a hotspot   D. a cell phone

2. Which of the following is NOT the advantage of Wi-Fi?

A.  The high speed Internet connection.   B. Many free Internet phones.

B.  Using the same computers for Internet phones when you go to other places. C. Used in all the US cities.

3. Some scientists started to call Wi-Fi 4G, because_____.

A.it is the product of the Google”s 4^th generation.

B..it is more capable of sending information than the mobile phone network.

C.it has been used by more than four generations.

D.Wi-Fi will surely take the place of the mobile phone network.

4.. Which of the following is the best title?

A.Third Generation Telecommunication Technology

B. Free Call Service

C.Google Launches Free Wi-Fi Service

D.Free Wi-Fi Service across the U.S.A.

高二英语阅读理解中等难度题查看答案及解析

China's largest search engine Baidu has said it will make its latest artificial intelligence (AI) technology accessible to developers and businesses as part of the company's latest move into AI, big data and cloud computing.

AI solution "Tianzhi" was launched at a cloud-computing summit held in Beijing Wednesday. It includes services in three fields: sensing technology, such as image and voice processing, machine learning, and deep learning, an advanced form of machine learning, said Zhang Yaqin, CEO of the Nasdaq-listed company, at the summit.

Developers can access facial or voice recognition, algorithms（演算法） for data analysis and projections, and deep learning applications, Zhang said, adding that the technology could help users innovate in their sectors.

"With more devices connected to the cloud, enterprises will use cloud computing and AI more frequently," said Wu Hequan, an academician at the Chinese Academy of Engineering, "Open AI technology can play a bigger role."

The company also revealed a plan to invest 10 billion yuan (1.45 billion U.S. dollars) in cloud computing in the next five years and establish an innovation center, which will serve 10 million enterprises.

1.What is the main idea of paragraph one?

A. Baidu will further develop its latest AI technology.

B. Baidu has attracted developers’ and businesses’ attention.

C. Users will be able to access Baidu’s latest AI technology.

D. A company will move to AI, big data and cloud computing.

2.“Tianzhi” includes services in the following fields EXCEPT _____.

A. sensing technology

B. voice processing

C. machine learning

D. deep learning

3.What does the underlined sentence in paragraph four probably mean?

A. It’s important for AI technology to be open.

B. AI technology is more important than the cloud.

C. People aren’t aware of the importance of AI technology.

D. Enterprises will hardly benefit from open AI technology.

4.What is Baidu’s next move according to the last paragraph?

A. Reveal a plan to invest in cloud computing.

B. Invest 10 billion yuan to serve enterprises.

C. Get invested from enterprises in the next five years.

D. Invest in computing and build an innovation center.

高二英语阅读理解中等难度题查看答案及解析

An engineer has designed _______ robot that can work in _______ deep sea to clean waste.

A. a; the           B. a; a             C. /; the                   D. the; /

高二英语单项填空中等难度题查看答案及解析

Google, one of the world’s outstanding tech companies, was attacked. It wasn’t its search engine that was attacked or its advertising platform or even its social network, Google+. Instead, it was a building.

Two web security experts hacked (侵入) into its Wharf 7 office in Sydney, Australia, through Google’s building management system (BMS). One of them, Billy Rios, says, “My colleague and I have a lot of experience in web security, but it is not something that people couldn’t learn. Once you understand how the system works, it is very simple.”

They found the system on Shodan, a search engine that lists devices connected to the Internet, and then ran it through their own software to identify who owned the building. In the case of the Google hacking, the researchers had no immoral purpose and just informed Google about what they found.

According to Mr. Rios, Who runs security company Whitescope, there are 50,000 buildings currently connected to the Internet, including research institutes, churches and hospitals, and 2,000 of those are online with no password protection. Martyn Thomas, a professor of IT at Gresham College in the UK, says, “It is beyond doubt that attempts to attack building management systems arc happening all the time.”

Making a building smart generally means connecting the systems that control heating, Hating and security to the Internet and the wider corporate network. There was a strong reason for doing this, said Andrew Kelly, principal security consultant at defence company Qinetiq.

“Energy savings are the biggest factor in connecting building management systems to the corporate network,” he says. “It gives those who run the building better control and offers between 20% to 50% in energy savings,” he adds.

But it also makes them less secure. And if any of these feels like a Hollywood film, think again.

1.How did Billy Rios and his colleague hack Google’s building?

A. They invented a search engine and connected it to Google’s building.

B. They connected their own software to the building to run Google.

C. They worked for Google and mastered how the building worked.

D. They used Google’s BMS to find out the owner of the building.

2.In the case of the Google hacking, the researchers had the intention of 　　　　 .

A. telling Google about the Wharf 7 office’s hidden danger

B. entering Google’s building to save more energy

C. explaining the reasons for energy savings

D. analyzing some immoral problems

3.What’s the main idea of Paragraph 4?

A. There are many researchers contributing a lot to web security.

B. The attack on building management systems happens all over the world.

C. The building management systems of some buildings are in danger.

D. There are too many buildings connected to the Internet to be managed well.

4.What is the author’s attitude towards the way of the energy savings of some buildings?

A. Favorable.　　 B. Ambiguous.

C. Indifferent　　 D. Negative.

高二英语阅读理解困难题查看答案及解析

根据首字母或汉语提示拼写单词

1.Search engines c___________ of 3 main parts.

2.She made it clear the government would s _____________ to its policies despite disagreement.

3.We e___________ so many problems in our work last year.

4.His mind would w_______ , and he would forget what he was doing.

5.The old house can d_______ back to the 17th century.

6.The film earned him international_________________(声望)

7.Witnesses say the firing was___________(故意的) and sustained.

8.He wants to be in control of his own ________(命运)

9.Everything you see exists together, in a _________(微妙的) balance.

10.She is paging through a magazine___________(漫无目的地).

高二英语单词拼写中等难度题查看答案及解析

Mr. Li was out of touch last week. The police ________ for him since.

A. have been searching　　　　 B. were searching

C. had searched　　　 　　　　 D. has searched

高二英语单项填空中等难度题查看答案及解析

Sam has been appointed _______ manager of the engineering department to take ____ place of George.

A./,/　　　　 B.the,/　　　　 C. the the　　　　 D./, the

高二英语单项填空中等难度题查看答案及解析

One of India’s top engineering schools has restricted Internet access in its boarding houses, saying addiction to surfing, gaming and blogging was affecting students’ performance, making them lonely and even suicidal.

Authorities at the best Indian Institute of Technology (IIT) in Mumbai said students had stopped socializing and many were late for morning classes or slept through them. “Now, a student doesn’t even know who lives two doors away from him because he is so busy on the Internet,” said Prakash Gopalan, dean of Student Affairs. “The old dormitory culture of companionship and socializing among students is gone. This is not healthy in our opinion.”

IIT­Mumbai, with about 5,000 students, is one of the seven IITs across India which are considered to be among the finest engineering schools in the world. They are also a talent pool for global technology giants. But their hard courses, tough competition and lonely campus lifestyle have taken an effect on students. Depressive and dysfunctional lifestyles are known to be common among IIT students, and at least nine have committed suicide in the past five years. Students have unlimited free Internet access in their boarding houses to help them in their studies, but many also use it to surf, chat, download movies and music, blog and for gaming.

“Starting Monday, Internet access will be banned between 11 p.m. and 12:30 p.m. at IIT­Mumbai’s 13 boarding buildings to encourage students to sleep early and to try and force them out of their shells.” Gopalan said. But the move has not gone down well with students who say they hate their lives being regulated. “Now they will say we need to listen to a lullaby (摇篮曲) to go to sleep.” said Rajiv, an electronics student.

1.According to the text, the students addicted to the Internet in IIT-Mumbai are likely to ______.

A. perform well in studies

B. participate in social activities

C. know their classmates better

D. feel lonely and even suicidal

2.The underlined word “dysfunctional” in Paragraph 3 most probably means “______”.

A. unpopular　　 B. meaningful　　　 C. abnormal　　 D. exciting

3.What measures have been taken in IIT­Mumbai?

A. Students must go to bed before 11 p.m.

B. Students are forbidden to surf the Internet on campus.

C. Students have unlimited free Internet access in their dormitories.

D. Internet access is unavailable in deep night in boarding buildings.

4.We may infer from the last paragraph that ______.

A. all electronics students hate the banning order

B. some students complain about the banning order

C. there is no Internet access on the IIT campus ever since

D. more students prefer listening to music to surfing the Internet

高二英语阅读理解中等难度题查看答案及解析

. His stepmother is kind to him, ______ whom she has a deep love.

A. with　　　　　 B. at　　　　　 C. of　　　　　 D. about

高二英语单项填空简单题查看答案及解析