Guide To ielts (answer key)
2 method of 3 speculate about 4 experts at 5 capable of 6 sheds light on 7 as a consequence of 15
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Student s Book answer key
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2 method of 3 speculate about 4 experts at 5 capable of 6 sheds light on 7 as a consequence of 15 1 joy, pleased 2 laugh 3 laughter 4 giggle 5 joke, jokes 6 humour, sense of humour 7 ticklish 17 1 to 2 of 3 to 4 with 5 for 6 of 7 to 8 for 18 1 hold 2 conclusion 3 meet 4 implement 5 perform 6 maintain 7 place 8 solve TASK TYPE 7 Multiple Choice (with more than one answer) (pages 122–127) 1 1 two 2 the same order 3 can 4 likely 5 letter 2 1 A Sharpless says that there’s a lot of unused potential protein swimming in the ocean. Fish are ‘the healthiest, cheapest, and most environmentally friendly source of animal protein.’ If we manage the way fish are caught, and choose wisely which fish we eat, there should be plenty of food for the growing number of mouths on the planet. 2 D A farmed salmon can consume as much as two kilograms of small fish in order to produce about half a kilogram of protein. Aquaculture should, in Sharpless’ view, add protein to the planet, not reduce it. 6 1 A Body mass index (BMI) is a standard method for determining whether an individual is underweight, of normal weight, overweight or obese. 2 B BMI doesn't measure fat, and it doesn't indicate where fat is found. 3 A To find an adult’s BMI it is necessary to do a simple calculation. 7 and 9 1 BMI was developed by a physician from Belgium. (‘a Belgian statistician’) 2 Quetelet’s main aim was to define what represented an obese person. (‘a project which had nothing to do with obesity-related diseases’) 3 BMI takes into account the differences in weight between body fat and muscle. (‘it doesn’t distinguish between body fat and muscle’) 4 BMI has been shown to vary in people from different ethnic backgrounds. (‘and doesn’t consider ethnic differences.’) 5 Trefethen thinks that Quetelet’s formula is most accurate when used with taller people. (‘short people tend to appear underweight and tall people overweight.’) 12 A Because the BMI is expressed as a number between 1 and 100 and derives from a mathematical formula, it carries an air of scientific authority. The use of precise measurements suggests that there are distinct categories of underweight, normal, overweight and obese, with sharp boundaries between them. E ‘Because it's simple,’ says Ahima, but it is also cheap and non-invasive ... Other methods ... are very expensive ... require ... more time and training than it takes to record a BMI reading, and they don't come with any official cut-offs that can be used to make easy assessments. All this explains why BMI continues to be the standard. |
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