(28) 
A.do                           
B.make                       
C.have                        
D.get

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Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions 12-19.
Scientists have identified two ways in which species disappear. The first is through ordinary or ‘background’ extinctions, where species that fail to adapt are slowly replaced by more adaptable life forms. The second is when large numbers of species go to the wall in relatively short periods of biological time. There have been five such extinctions, each provoked by cataclysmic evolutionary events caused by some geological eruption, climate shift, or space junk slamming into the Earth. Scientists now believe that another mass extinction of species is currently under way – and this time human fingerprints are on the trigger.
How are we are doing it? Simply by demanding more and more space for ourselves. In our assault on the ecosystems around us we have used a number of tools, from spear and gun to bulldozer and chainsaw. Certain especially rich ecosystems have proved the most vulnerable. In Hawaii more than half of the native birds are now gone – some 50 species. Such carnage has taken place all across the island communities of the Pacific and Indian oceans. While many species were hunted to extinction, others simply succumbed to the ‘introduced predators’ that humans brought with them: the cat, the dog, the pig, and the rat.
Today the tempo of extinction is picking up speed. Hunting is no longer the major culprit, although rare birds and animals continue to be butchered for their skin, feathers, tusks, and internal organs, or taken as savage pets. Today the main threat comes from the destruction of the habitat of wild plants, animals, and insects need to survive. The draining and damming of wetland and river courses threatens the aquatic food chain and our own seafood industry. Overfishing and the destruction of fragile coral reefs destroy ocean biodiversity. Deforestation is taking a staggering toll, particularly in the tropics where the most global biodiversity is at risk. The shrinking rainforest cover of the Congo and Amazon river basins and such place as Borneo and Madagascar have a wealth of species per hectare existing nowhere else. As those precious hectares are drowned or turned into arid pasture and cropland, such species disappear forever.
Source: Final Countdown Practice Tests by D.F Piniaris, Heinle Cengage Learning, 2010
What does the passage mainly discuss?
A.Human activity and its impact on a mass extinction of species
B.The two ways in which species disappear
C.The tempo of extinction of species today
D.Deforestation as a major cause of mass extinctions of species

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 43 to 50.
While watching sports on TV, the chances are children will see professional players cheating, having tantrums, fighting, or abusing officials. In addition, it's highly likely that children will be aware well-known cases of sportspeople being caught using drugs to improve their performance. The danger of all this is that it could give children the idea that winning is all that counts and you should win at all costs. Good behaviour and fair play aren't the message that comes across. Instead, it looks as if cheating and bad behaviour are reasonable ways of getting what you want. This message is further bolstered by the fact that some of these sportspeople acquire enormous fame and wealth, making it seem they are being handsomely rewarded either despite or because of their bad behaviour.
What can parents do about this? They can regard sport on television as an opportunity to discuss attitudes and behaviour with their children. When watching sports together, if parents see a player swearing at the referee, they can get the child's opinion on that behaviour and discuss whether a player's skill is more important than their behaviour. Ask what the child thinks the player's contribution to the team is. Point out that no player can win a team game on their own, so it's important for members to work well together.
Another thing to focus on is what the commentators say. Do they frown on bad behaviour from players, think it's amusing or even consider it's a good thing? What about the officials? If they let players get away with a clear foul, parents can discuss with children whether this is right and what effect it has on the game. Look too at the reactions of coaches and managers. Do they accept losing with good grace or scowl and show a bad attitude? Parents can use this to talk about attitudes to winning and losing and to remind children that both are part of sport.
However, what children learn from watching sports is by no means all negative and parents should make sure they accentuate the positives too. They should emphasise to children the high reputation that well-behaved players have, not just with their teammates but also with spectators and the media. They can focus on the contribution made by such players during a game, discussing how valuable they are in the team. In the interviews after a game, point out to a child that the well-behaved sportspeople don't gloat when they win or sulk when they lose. And parents can stress how well these people conduct themselves in their personal lives and the good work they do for others when not playing. In other words, parents should get their children to focus on the positive role models, rather than the antics of the badly behaved but often more publicised players.
(Adapted from "New English File - Advanced" by Will Maddox)
The word "They " in paragraph 4 refers to ______.
A.teammates              
B.spectators                           
C.parents
D.children