Read the following article and select the best answer. Article: One of the world's richest men has taken a close interest in one of man's most basic functions: visiting the toilet.Bill Gates's charitable organization, the Bill and Melinda Gates Foundation, is looking for inventors to design the loo of the future, which, they hope, would improve sanitation for millions of people around the world. So, what's wrong with the traditional flush toilet? Firstly, it wastes a huge amount, of potential drinking water.Secondly, they are more likely to cause pollution.This is a real problem in many areas of the developing world, where, according to United Nations estimates, unsafe sanitation causes half of all hospitalizations.Younger people are particularly at risk.Illnesses which cause diarrhea are responsible for the deaths of about 1.5 million children a year.Finally, standard lavatories simply aren't practical in remote areas. The challenge set by Bill Gates was to come up with a _ which works without running water, electricity or aseptic tank.It also needed to operate for less than 5 cents.28 designs were displayed at the recent Reinvent the Toilet Fair.in Seattle, USA.Among them was one which turned human waste into electricity using microwaves, another which converted human waste into charcoal, and yet another which used urine for flushing. But the winner was a solar-powered design which generated hydrogen gas and electricity.The team from the California Institute of Technology(CIT)picked up a prize of $ 100,000. But clearly Bill Gates doesn't feel he's _ .After the Seattle event he said, "We, couldn't be happier with the response we've gotten," Gates has even pledged $370 million more to the future toilet project.They hope to field test more, prototypes over the next three years. Question: Why is Bill Gates paying people to invent new toilets? - Because he wants to test people's sense of creativity. - Because he thinks the traditional ones are out of fashion - Because he wants to improve sanitation for many people. - Because he can't design this kind of things himself.
Because he wants to improve sanitation for many people.

(Question)
Read the following article and select the best answer. Article: Salvador Dali (1904-1989) was one of the most popular of modern artists. The Pompidou Centre in Paris is showing its respect and admiration for the artist and his powerful personality with an exhibition bringing together over 200 paintings, sculptures, drawings and more. Among the works and masterworks on exhibition the visitor will find the best pieces, most importantly The Persistence of Memory. There is also L'Enigme sans Fin from 1938, works on paper, objects, and projects for stage and screen and selected parts from television programmes reflecting the artist's showman qualities. The visitor will enter the World of Dali through an egg and is met with the beginning, the world of birth. The exhibition follows a path of time and subject with the visitor exiting through the brain. The exhibition shows how Dali draws the viewer between two infinities . "From the infinity small to the infinity large, contraction and expansion coming in and out of focus: amazing Flemish accuracy and the showy Baroque of old painting that he used in his museum-theatre in Figueras," explains the Pompidou Centre. The fine selection of the major works was done in close collaboration with the Museo Nacional Reina Sofia in Madrid, Spain, and with contributions from other institutions like the Salvador Dali Museum in St. Petersburg. Question: How are the exhibits arranged at the World of Dali? - By popularity. - By importance. - By size and shape. - By time and subject.
(Answer)
By time and subject.

Ques: Read the following article and select the best answer. Article: An inventor seeks to create a new product that serves a specific need and fulfills a role that other products do not. Sometimes an inventor comes up with a wholly new idea, but more often inventions are simply improvements on an older design. With a little imagination and creativity , an old idea can suddenly become something new. However, creating a new invention means much more than having a brilliant idea. A good designer follows the design process: identifying the challenge, researching and brainstorming ideas , designing a solution, testing and evaluating the ideas, and finally building the product. Designers also use science, math, technology, and engineering to design a tool that satisfies the need they identified. Anyone can be an inventor --even kids! For example, Chester Greenwood was just fifteen years old when he invented a product that changed his life. In fact, his idea was so good that his invention supported him for the rest of his life. You may not know his name, but you probably know his invention --earmuffs ! The inspiration for his earmuff design came to Chester when he was ice-skating. His ears were cold, and he decided to find a way to keep them warm. With the help of his grandmother, he made a new product to protect his ears and at the age of eighteen, Chester patented his earmuff design. Many other famous inventors started young as well. Margaret Knight --the inventor of the flat-bottomed brown paper bag --is said to have created a safety device for textile looms when she was just twelve years old. Another example is Thomas Edison, one of the greatest inventors in history, who applied for his first patent when he was just twenty-one years old. Over the course of his life, Thomas Edison patented a total of 1,093 inventions! Question: The example of Chester Greenwood is used to show that _ . - children can also invent something - it is easy even for children to make inventions - kids have more advantages in inventing things - to be an inventor is the best way to change one's life
Ans: children can also invent something

Question: Read the following article and select the best answer. Article: When we heard that our friend astronaut Gregory Chamitorff was going to be on board the last flight of the space shuttle Endeavour, we asked him if he would answer some questions from space. He said yes! Here are our questions and Greg's answers from space. What's the best thing about being in space? Zero-gravity is by far the best thing about being in space. It does not really mean that there is no gravity. It means that we are moving around Earth in the same way the space station is moving around Earth. So we are floating inside the space station. We travel around Earth once every 90 minutes. That's 16 sunrises and sunsets every day. Really fast! Inside the station, we can fly around like superman. It's an amazing feeling, and I hope everyone gets a chance to fly in space someday to experience the wonder of zero-gravity. What do you do for fun in the space shuttle? There are so many things you can do in zero-gravity that are fun. Flying around is fun. Eating food that floats is fun. I like to play like Superman and see how far I can fly without touching any walls. Another fun thing is to play with water. Most of all, the most exciting thing to do is to look out the window at our beautiful planet Earth below. You never get tired of seeing it like that, the way it really is and it can never be seen that way while standing on its surface. What's the coolest thing about being on a spacewalk? Wow! Doing a spacewalk is cool. There is nothing more wonderful than floating in space in your own space suit. It's amazing, and when you are doing a spacewalk, you are "out there" just floating in empty space, like the earth, like the moon, like the sun, like the space station. It's not science fiction. It's real. Question: Which of the following best shows how Greg feels? - Frightened - Excited - Sad - Surprised
Answer:
Excited