Read the following article and select the best answer. Article: Language as a System of Symbols Of all systems of symbols , language is the most highly developed. It has been pointed out that human beings, by agreement, can make anything stand for anything. Human beings have agreed, in the course of centuries of mutual dependency, to let the various noises that they can produce with their lungs, throats, tongues, teeth, and lips systematically stand for certain happenings in their nervous systems. We call that system of agreements language. There is no necessary connection between the symbol and that which it stands for. Just as social positions can be symbolized by feathers worn on the head, by gold on the watch chain, or by a thousand other things according to the culture we live in, so the fact of being hungry can be symbolized by a thousand different noises according to the culture we live in. However obvious these facts may appear at first glance, they are actually not so obvious as they seem except when we _ to think about the subject. Symbols and the things they stand for are independent of each other, yet we all have a way of feeling as if, and sometimes acting as if, there were necessary connections. For example, there are people who feel that foreign languages are unreasonable by nature: foreigners have such funny names for things, and why can't they call things by their right names? This feeling exhibits itself most strongly in those English and American tourists who seem to believe that they can make the natives of any country understand English if they shout loud enough. Like the little boy who is reported to have said: "Pigs are called pigs because they are such dirty animals," they feel the symbol is inherently connected in some way with the things symbolized. Question: Language is a highly developed system of symbols because human beings _ . - have made use of language for centuries - use our nervous systems to support language - have made various noises stand for any events - can make anything stand for anything by agreement
can make anything stand for anything by agreement

(Question)
Read the following article and select the best answer. Article: Loulan, an ancient city in the Lop Nur, was first "discovered" by Swedish explorer Sven Hedin in 1900. The finding of Loulan brought about new and unexpected fame for the ancient history of the Central Asia and thus began the exploration of the Taklamakan Desert. The City of Loulan is known both in China and throughout the world as the Middle Kingdom's ' _ ' in the desert and one of the cradles of the civilization. It wasn't hard to imagine how excited Sven Hedin must have been when he was awarded the Victoria Medal by the Royal Geography Association. From that point forward, the mysterious covering of Loulan was gradually lowered and was no more a silent unknown hero but became an immediate worldwide sensation . Adventurers from America, Britain, Japan and Sweden, including Huntington, Stein, Otani Kozui and Bergman set foot here for several times. In the 1930s, Chinese archaeologist Huang Wenbi came here for the first time and made a survey of this area, which was found even then in terrible conditions due to uncontrolled digging with many wonderful cultural historic relics taken away to distant foreign lands. In 1979, a group of tombs called Sun Tombs, known for their unique and attractive burial forms, were unearthed in the Gumugou Graveyard, the public graveyard of the Lop Nur citizens in the Bronze Age. In early 1980s, in the Tiebanhe River Delta area of the lower reaches of the Peafowl River in Lop Nur, a female mummy dating back some 3,800 years was unearthed and was considered by the Japanese as the "Loulan Beauty". This set off a wave of current exploration of the Silk Road. The archaeological unearthing being currently conducted in the Xiaohe (Small River) Graveyard is now the focus of the world's most important academic event. The Xiaohe Graveyard, 175km west of the City of Loulan, is located in the lower reaches of the Peafowl River in the Lop Nur. When the Graveyard was found, it is said that there were some 1,000 coffins. It is large in scale with sand dunes as high as eight metres, on which... Question: Which of the following is the closest in meaning to the word ' _ '? - A city as world famous as the Middle Kingdom's "Pompeii". - A buried city in the desert with great historical value. - A buried city to be unearthed like the Italian city "Pompeii". - A city visited by many archaeologists all over the world like "Pompeii".
(Answer)
A buried city in the desert with great historical value.

Ques: Read the following article and select the best answer. Article: Australia's koalas could die out within 30 years unless immediate action is taken to stop the losing in population, according to researchers. They say development, climate change and bushfires have all combined to reduce the number of wild koalas sharply. The Australian Koala Foundation said a recent survey showed the population could have dropped by more than half in the past six years. The number of koalas was once estimated to be more than 100,000, but now is as few as 43,000. The foundation collected field data from 1,800 sites and 80,000 trees to calculate the numbers. In one area in northern Queensland estimated to have 20,000 koalas a decade ago, a team of eight people could not find a single animal in four days of searching. The foundation said besides problems caused by cutting down forests, hotter and drier conditions because of global warming had reduced the nutritional value of their main food, eucalyptus leaves, leading to poor nutrition for them. Koalas, which live in the forests in Australia's east and south, are very picky about what types of the leaves they eat. Foundation chief Deborah Tabart said: "The koalas are missing everywhere we look. It's really no tree, no me. If you keep cutting down trees you don't have any koalas."She is hoping the new figures will persuade the government's Threatened Species Steering Committee (TSSC) to list the koala as threatened. But committee chairman Bob Beeton said a decision was not likely recently and the koala's status as one of the country's favorite animals would not be a factor. "There's a number of species which are attractive and people have special feelings towards them. We don't consider that," Mr Beeton said. Question: According to Bob Beeton, _ . - the koala is one of his favorite animals - a decision will be made to protect koalas in the future - they needn't pay special attention to koalas - koalas needn't be protected at all
Ans:
they needn't pay special attention to koalas