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I'm taking a test and have to guess the right answer to the question after the article. Article: The idea of being able to walk on water has long interested humans greatly. Sadly, biological facts prevent us ever accomplishing such a thing without artificial aid--we simply weigh too much, and all our mass pushes down through our relatively small feet, resulting in a lot of pressure that makes us sink. However, several types of animals can walk on water. One of the most interesting is the common basilisk. Basilicus, a lizard native to Central and South America. It can run across water for a distance of several meters, avoiding getting wet by rapidly hitting the water's surface with its feet. The lizard will take as many as 20 steps per second to keep moving forward. For humans to do this, we'd need huge feet that we could bring up to our ears in order to create adequate "hitting. " But fortunately there is an alternative: cornflour. By adding enough of this common thickening agent to water (and it does take a lot), you can create a "non-Newtonian" liquid that doesn't behave like normal water. Now, if the surface of the water is hit hard enough, particles in the water group together for a moment to make the surface hard. Move quickly enough and put enough force into each step, and you really can walk across the surface of an adequately thick liquid of cornflour. Fun though all this may sound, it's still rather messy and better read about in theory than carried out in practice, if you must do it, then keep the water wings handy in case you start to sink--and take a shower afterward! Question: What do we know about Basilicus from the passage? Options: A: It is light enough to walk on water. B: Its huge feet enable it to stay above water. C: It can run across water at a certain speed. D: Its unique skin keeps it from getting wet in water
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C

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I'm taking a test and have to guess the right answer to the question after the article. Article: Language is always changing. In a society where life continues year after year with few changes, the language does not change either. The earliest known languages had difficult grammar but a small, limited vocabulary. Over the century, the grammar changed, and the vocabulary grew. For example, the English and Spanish people who came to America during the sixteenth century gave names to all the new plants and animals they found. In this way, hundreds of new words were introduced into English and Spanish vocabularies. Today life is changing very fast, and language is changing fast too. There are several major language families in the world. Some scientists say there are nine main families, but other scientists divide them differently. The languages in each family are connected, and scientists think that they came from the same parent language. About 3 percent of the people in the world speak languages that are not in these major families. Question: In the next few hundred years we can expect language to _ . Options: A: stay exactly the same B: change a great deal C: change only a little D: ask more words and drop some grammar
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B

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I'm taking a test and have to guess the right answer to the question after the article. Article: "I love the music-player function of 3G cellphones, " Xiaomei, a Chinese senior high school girl living in Japan, said happily. "Recently, I logged on to a website and downloaded some new Japanese songs with lyrics onto my 3G cellphone, "the girl said. "You know, it's amazing! Just like with KTV, _ 's voice can be switched-off leaving just the background music and lyrics. When no one is around, I practise singing songs like crazy. " Xiaomei's 3G cellphone almost made her a super star among her classmates. 3G was first introduced into Japan in 2001. After a slow start, it's now widely used there. High school students top the list of user groups, according to a major service provider in Japan. After years of effort, China is finally catching up. In January, China issued a 3G license to three operators--China Mobile, China Telecom and China Unicom. In 2009, the operators announced plans to expand the use of 3G cellphones. What is 3G? 3G wireless networks give users faster Internet connections. The Internet connection speed of 3G can be up to 15 to 20 times faster. This allows music and games to be downloaded more easily. E-mail can also be accessed faster. It has made watching movies and video-conferencing possible on a mobile phone. How do I use 3G? First, you must have a 3G cellphone. This year, products made by different cellphone companies will gradually appear in the marketplace. China Mobile and China Telecom users can continue using their old phone number and SIM card. China Unicom, however, has not yet decided on this matter. How much does it cost? The three operators have said that 3G fees will be similar, or slightly lower than today's 2G cellphones. According to a 3G student package, calls within the China Mobile network will cost 0.13 yuan per minute, while the fees go up to 0.23yuan per minute for calls between China Mobile and other networks. Question: Which of the followings is NOT a benefit of 3G's high Internet connection speed? Options: A: Music and games can be downloaded more easily. B: Calls within China Mobile network will cost 0.13 yuanper minute. C: E-mail can be received faster. D: Watching movies and video-conferencing are possible.
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B