Section A Directions:In this section, you
will hear 8 short conversations and 2 long conversations. At the end of each
conversation, one or more questions will be asked about what was said. Both the
conversation and the questions will be spoken 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
correspond-ing letter on Answer Sheet 2 with a single line
through the centre.
A．It will help detect all kinds of liars. B．It will most likely prove ineffective. C．It can help solve complex problems. D．It is a new weapon against terrorists.