Read the following article and select the best answer. Article: 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" . It allows laptop computers and personal digital assistants to the Internet at high speed by radio signal. 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 has already set up two "hotspots" in the US city of San Francisco which provide a free Wi-Fi 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 still limited to a few cities, where there are "hotspots". But its capability 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, Wi-Fi has other advantages compared to mobile phones. Wi-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. Question: Wi-Fi is not available in cities without _ . - a computer - a radio - a cell phone - a hotspot
a hotspot

Read the following article and select the best answer. Article: I have nothing to say about whether or not "A Day Without Immigrants " had a positive or negative effect on the question of how the federal government should deal with the huge population of undocumented illegal immigrants in this country. I'll leave that question to others. Regardless of how you feel about the event, one conclusion is obvious. Using the theme of "A Day Without" as a way to focus national attention on a particular subject is a great idea, and could serve as a method for increasing public consciousness about other issues that affect daily life in America. Here are my top three examples: "A Day Without Speeding." How hard could this be? If all drivers would strictly obey every posted speed limit on highways, downtown, on neighborhood streets, and in parking lots for one 24-hour cycle, the benefits would be huge. "A Day Without Losing Your Temper." A higher degree of difficulty here, and I know that from personal experience. When something goes wrong at home or on the job, there may be brief satisfaction in yelling or kicking the furniture, but bursting into anger usually has nothing to do with the approach to the heart of the matter. "A Day Without Having All The Answers." I would like to get a break from hearing anyone speak the phrase, "Here's what you're doing wrong." Right now the US is packed with citizens who believe they can point out the cause of every single problem in existence and then solve it in a moment. I believe they need to be quiet sometimes and use their ears instead of their voices. I wonder how would average Americans react to such a national pause? Would it be a day of reaction against anger, or joyful celebrations? Question: The author uses his "top three examples" to _ . - criticize the undocumented illegal immigrants in America - show public consciousness of some subjects could be raised - encourage common people to create more similar activities - indicate some bothering issues affecting people's daily life
show public consciousness of some subjects could be raised

Read the following article and select the best answer. Article: A Bite of China Season Two(<< >> ) is coming! The program is shown at 9:00 on CCTV-1 every Friday night from April 18 to June 6, 2014. There are altogether eight episodes , all about history andculture of food, eating and cooking in China. The directors spent one year visiting more than 150 different parts of China. More than 300 types of food are covered in the documentary. As an old Chinese saying goes, _ . It plays an important role in our daily life, and the rich food culture is also one of the most important parts of Chinese culture.A Bite of China Season Twowants to show the joys and sadness of ordinary Chinese in changing times through food. A Bite of China Season Onewas shown on CCTV in 2012. It attracted more than 100 million viewers. It is all about food, while the second season cares more about the relationship between the people and the food. For example, the first episode shows a young man spent four hours climbing a 40-metre-high tree to get something nice for his brother. The show reminds viewers of their homes and the tastes of childhood. One Weibo user wrote, "A Bite o f China Season Twomakes me have so many words to say. It makes me think of my parents and my grandmother. I haven't been home for a long time, so I have decided to go back in a few days." The show uses food as a window to introduce China to the world. Viewers can see how Chinese people love life by loving food. Anyone who wants to know more about Chinese culture and Chinese society should have a bite of the program. Question: The type of the TV programA Bite of Chinais _ . - a cartoon - a drama series - a chat show - a documentary
a documentary

Read the following article and select the best answer. Article: Passport Control If you are arriving at London Heathrow Airport and are not transferring to another flight outside Britain or Northern Ireland,you must pass through Passport Control and Customs immediately after leaving your plane. If you are not British or a citizen of the European Community,you must fill out a special form before your passport is examined.This form is called a landing card and should be given to you during the flight to London. After landing,follow the AKRIVALS signs.Make sure you are in the right channel when you reach Passport Control.There is one channel for holders of European Community passports,and a second channel marked "Other Passports". Baggage Reclaim Area After passing through Passport Control,follow the signs to the Baggage Reclaim Area.If you have luggage which was carried in the aircraft:along with other goods,it will be delivered to you in the Baggage Reclaim Area.Look for the sign with your flight number.If you have only hand luggage,go directly through the Baggage Reclaim Area to Customs. Customs All passengers must pass through Customs after Passport Control.There is a choice of two channels.Green and Red.If you have nothing to declare,go through the Green Channel.If you are not sure about your Duty Free allowances ,or if you have something to declare, go through the Red Channel.Information about Duty Free allowances can be found on special notice-boards in the Baggage Reclaim Area.You should study this information carefully whether you are going through the Red Channel or not.Please note that if you go through the Green Channel,you may be stopped and asked to open your luggage for inspection . Question: Those who are not sure about their Duty Free allowances _ . - can do as those who have nothing to declare - need to go through the Green Channel - will be asked to open the luggage for inspection - can check the information in the Baggage Reclaim Area
can check the information in the Baggage Reclaim Area