SECTION A CONVERSATIONS In this section you
will hear several conversations. Listen to the conversations carefully and then
answer the questions that follow.
Questions 1 to 3 are based on the
following conversation. At the end of the conversation, you will be given 15
seconds to answer the questions. Now listen to the
conversation.
What was Clarence Birdseye surprised to learn
A．A fish could survive being frozen. B．The fish were easier to catch in the winter. C．Food can be kept frozen indefinitely. D．Solutions that freeze slowly form large crystals.