【单选题】Taking a cell, practically any cell, from your body, the theory goes, and through appropriate biological tinkering(摆弄) you can cause it to grow into a duplicate of yourself—identical from eyelashes to...
【简答题】Questions 37-40 Look at Figures 1, 2, 3 and 4 in Reading Passage 3. Choose the most appropriate label, A-I, for each Figure from the box below. Write your answers in boxes 37-40 on your answer sheet. ...