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IELTS Practice Now Practice in Listening, Reading, Writing and Speaking for the IELTS Test ( PDFDrive )
Questions 15-18
Decide whether the following statements are true or false according to the reading passage and write T for true or F for false in the spaces numbered 15-18 on the answer sheet. 15. Some older fire tests only show how a fire starts in a building's structure. 16. A computer would be able to grade the flammability of an item. 17. Flash-over can best be prevented with a bucket of water. 18. An adequate computer program for predicting the effects of a fire is not easy to set up. Question* 19-25 Below is a list of the stages in the build-up of an indoor fire caused by a cigarette dropped down the back of an upholstered chair. Decide where each stage fits in the following table according to the time when it occurs and write the appropriate letters A-H in the spaces numbered 19-25 on the answer sheet. Stage 1 Stage 2 Stage 3 Stage 4 Up to 45 mins. before ignition Up to 1 min. after ignition 2 mins. 3 mins and after Example: A 19. ------- 22 24. -------- 20. -------- 23. 21. _____ 25. List of stages A The cigarette smoulders unseen B The heat trapped in the room intensifies C Smoke, gases and heat rise towards the ceiling D The hot layer beneath the ceiling spreads heat back to the chair and other furniture in the room E A layer of heat is formed under the ceiling F Smoke and gases spread into other parts of the house, endangering anyone who may be there G Everything in the room reaches ignition point and bursts into flame H The upholstery catches fire Questions 26-27 What are two models for observing fire behaviour that have been developed overseas? Write the answers in the spaces numbered 26-27 on the answer sheet. 26.___________________________ 27.___________________________ QUESTIONS 28-42 You arc advised to spend about 20 minutes on Questions 28-42 which refer to Reading Passage 3 below. READING PASSAGE 3 SOME MISCONCEPTIONS ABOUT ABORIGINAL AUSTRALIA * n W When airline pilot Percy Trezise began to explore the rock art galleries of Cape York peninsula in the early 1960s— a hobby that was to obsess him for the next 30 years — the consensus of academic opinion was that Australia had been peopled for less than 10,000 years. Stone tools found in Kakadu have now been dated to at least 50,000 years, and camp sites as diverse as lake Mungo in the VVillandra lakes region of NSW and WA's upper Swan River have yielded tools charcoal radiocarbon-dated to between 38,000 and 45,000 years. More than a dozen other sites date to more than 30,000 years — indisputable evidence, says archaeologist Josephine Flood, of the great antiquity of Aboriginal culture. Thirty years ago, the first Australians were still thought of as a backward race. Trezise recalls in his book Orcani Koni/. that there was much sage discussion o i whether they were even capable of abstract II ought. Since then, reawakened interest in an 1 growing knowledge of Australia's Aboriginal h ritage has demonstrated that this is a complex. M bile and rich culture. I he closer we look al Australian prehistory, the more H umlinues to confound our assumptions. Until recently, the authoritative view was that the population of Australia at the time of the arrival of Europeans in 1788 was probably somewhere between 250,000 and 500,000. But the discovery, beginning two years ago, of a vast Aboriginal graveyard at Lake Victoria near the confluence of the Murray and Darling rivers has thrown even this into doubt. At least 10,000 skeletons are buried in sands of Lake Victoria, " possibly as many as 40,000. Researchers are wondering if they have stumbled on the Demographic hub of an infinitely more populous prehistoric Australia than was ever previously supposed, at the crossroads of two of its greatest river highways. Archaeologist Dr Colin Pardoe of the SA museum says the idea of 300,000 or so people in Australia before white settlement must be radically re-evaluated. 'I believe that we should be thinking 10 times that', he told science writer Julian Cribb recently. As Cribb noted, this would be a greater population than pre-Roman Britain's. Though Aborigines might see themselves as indigenous (in the sense, as Josephine Flood explains, that they have no race history not associated with this continent) there is no doubt that they were in fact Australia's first migrants. Their springboard was provided by the last ice age, or Pleistocene period, which lasted between two million and 10,000 years ago. So much water was locked up on land that the ocean level dropped perhaps 150 m. There was never a complete land bridge to south-east Asia, but Arnhem Land was linked to Papua New Guinea for most of the past 100,000 years, spread rapidly. The inland would have been says Flood, and this would have been one of the easiest routes for ice-age immigrants dry, but considerably more hospitable than it is moving south. What is certain, says Flood in today. The inland salt pans were then fresh- her excellent book The Riches Of Ancient water lakes teeming with fish, and the country Download 1.65 Mb. Do'stlaringiz bilan baham: |
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