*Question*
Read the following article and select the best answer. Article: A cafe owner has defended her decision to pen a Facebook post (an Internet message to be discussed) stating "No, we are not child-friendly," saying it breaks her heart when children damage her possessions. On Monday, the Little French Cafe in Newcastle, Australia, posted an announcement on their Facebook page: "Are we child-friendly? If you are looking for a cafe with a children' s menu, a play area, lounges for your children to jump on, vast space for your baby carriages, an area for your children to run around, and annoy other customers, while you are unaware of them--then the short answer is 'No, we are not child-friendly.' However, if you would like to bring your children here and they are happy to sit at a table with you and behave properly, please come in. Otherwise, there are plenty of places that are specifically designed to entertain your children." The post has since been deleted. Some Facebook users called the post "arrogant " and an "attack on parents," The Newcastle Herald reports. The cafe owner responded with this statement: "I built the cafe myself. It has my blood, sweat and plenty of tears in it." The post came about after the cafe owner was asked by a customer, who had left a one-star review on the cafe's business page, about whether the cafe was child-friendly. Ms Kotz told news.com.au she wrote the bad review because she felt staff reacted negatively towards children at the cafe. The cafe owner said it broke a piece of her heart every time when she was watching children emptying salt and pepper shakers into her fireplaces, parents changing nappies on her lounges, or kids throwing their own food onto her carpet. Although the cafe's policy has attracted a lot of criticism, most people who commented on the Little French Cafe's Facebook page stood by the owner. One woman named Lesley wrote, "I don't think there was anything wrong with what you said by any means. If parents want to take their children to your cafe, they need to be responsible for their behavior." Question: What is the text mainly about? - An Australian cafe's policy on children. - A Facebook post about parents' manners. - The protection of the customers' basic rights - The relationship between staff and customers.
**Answer**
An Australian cafe's policy on children.

*Question*
Read the following article and select the best answer. Article: Scientific experiments can sometimes go wrong and when they do the results may range from the disastrous to the troubling. One such experiment took place in South America about fifty years ago. Whether its final consequences will cause serious damage or nothing more than a small trouble still remains to be seen. The story began in 1956 when an American scientist working in Brazil decided to solve the problem of increasing the productivity of that country's bees. He imported a very active type of African bee from Tanzania and mated it with the more easy-going native variety to produce a new kind of bees. The new bees worked harder and produced twice as much honey. It seemed that Professor Kerr, for that was the scientist's name, had a total success on his hands.www.zxxk.com Then things began to go wrong. For some reason as yet unseen, but perhaps as a result of something in their environment, the new bees began to develop extremely attacking personalities. They became bad-tempered and easy to be angry, attacked the native bees and drove them from their living places. But worse was to follow. Having taken over the countryside, the new bees, with their dangerous stings , began to attack its neighbors -- cats, dogs, horses, chickens and finally man himself. A long period of terror began that has so far killed a great number of animals and about 150 human beings. This would have been bad enough if the bees had stayed in Brazil. But now they are on the move, heading northwards in countless millions towards Central and North America, and moving at the alarming speed of 200 miles a year. The countries that lie in their path are naturally worried because it looks as if nothing can be done to stop them. Question: The experiment mentioned in this passage was designed to _ . - make African bees less active - make Brazilian bees more easy-going - increase the number of bees in Brazil - increase the amount of honey in Brazil
**Answer**
increase the amount of honey in Brazil

*Question*
Read the following article and select the best answer. Article: Knots are the kind of stuff that even myths are made of.In the Greek legend of the Gordian knot, for example, Alexander the Great used his sword to slice through a knot that had failed all previous attempts to unite it. Knots, enjoy a long history of tales and fanciful names such as "Englishman's tie, " "and "cat's paw. " Knots became the subject of serious scientific investigation when in the 1860s the English physicist William Thomson (known today as Lord Kelvin) proposed that atoms were in fact knotted tubes of ether . In order to be able to develop the equivalent of a periodic table of the elements, Thomson had to be able to classify knots -- find out which different knots were possible. This sparked a great interest in the mathematical theory of knots. A mathematical knot looks very much like a familiar knot in a string, only with the string's ends joined. In Thomson's theory, knots could, in principle at least, model atoms of increasing complexity, such as the hydrogen, carbon, and oxygen atoms, respectively. For knots to be truly useful in a mathematical theory, however, mathematicians searched for some precise way of proving that what appeared to be different knots were really different -- the couldn't be transformed one into the other by some simple manipulation . Towards the end of the nineteenth century, the Scottish mathematician Peter Guthrie Tait and the University of Nebraska professor Charles Newton Little published complete tables of knots with up to ten crossings. Unfortunately, by the time that this heroic effort was completed, Kelvin's theory had already been totally discarded as a model for atomic structure. Nevertheless, even without any other application in sight, the mathematical interest in knot theory continued at _ point for its own sake. In fact, mathematical became even more fascinated by knots. The only difference was that, as the British mathematician Sir Michael Atiyah has put it, "the study of knots became a special branch of pure mathematics. " Two major breakthroughs in knot... Question: According to the passage, _ shows the most updated study about knots. - t 2-t+1 - t 2-3t+1 - Alexander polynomial - Jones polynomial
**Answer**
Jones polynomial