Section A Directions : In this
section, you will hear 6 short conversations. At the end of each conversation, a
question will be asked about what was said. Both the conversation and the
question will be read only once. After each question, there will be a pause.
During the pause, you must read the four choices marked A, B, C and D, and
decide which is the best answer. Then mark the corresponding letter on the
Answer Sheet with a single line through the centre.
A．A prediction of the future of mankind. B．A new drug that may benefit mankind. C．An opportunity for a good job. D．An unsuccessful experiment.