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IELTS READING TEST SET 4 AC: RESEARCH USING TWINS

IELTS READING RESEARCH USING TWINS To biomedical researchers all over the world, twins offer a precious opportunity to untangle the influence of genes and the environment – of nature and nurture. Because identical twins come from a single fertilized egg that splits into two, they share virtually the same genetic code. Any differences between them -one twin having younger looking […]

IELTS READING – THE STORY OF SILK S1AT1

IELTS READING THE STORY OF SILK The history of the world’s most luxurious fabric, from ancient China to the present day Silk is a fine, smooth material produced from the cocoons – soft protective shells – that are made by mulberry silkworms (insect larvae). Legend has it that it was Lei Tzu, wife of the […]