题目原文 A The scientific study of twins goes back to the late 19th century, when Francis Galton, an early geneticist, realised that they came in two varieties: identical t...

  A Look at the labels on the food in your kitchen. You'll find 'flavor' in almost every list of ingredients. These additives give processed food most of its taste. Research...

Part 3 You should spend about 20 minutes on Questions 27–40, which are based on Reading Passage 3 below. The contradictions of tourism Tourism may bring benefits to a society but ...

  Reading Passage 1 Read the text and answer the questions below. The development of the silk industry A When silk was first discovered in China over 4,500 years ago, it was...

  Part 2 You should spend about 20 minutes on Questions 14–26, which are based on Reading Passage 2 below. How to be Happy Some recent developments in the science of happine...

  Part 1 Read the text and answer the questions below. Ensuring our future food supply A Climate change and new diseases threaten the limited varieties of seeds we depend on ...

  Part 2 You should spend about 20 minutes on Questions 14–26, which are based on Reading Passage 2 below. The Power of Smell Research shows that our olfactory sense is mor...

Part 2 You should spend about 20 minutes on Questions 14–26, which are based on Reading Passage 2 below. How to be Happy Some recent developments in the science of happiness A A p...

Part 1 You should spend about 20 minutes on Questions 1–13, which are based on Reading Passage 1 below. The life of Beatrix Potter The children's author and illustrator who create...

  Part 3 Read the text and answer the questions below. The long road to artificial intelligence A In 1950, the computing pioneer Alan Turing published a paper on the potentia...