Directions: In this section, you will hear 3 short
passages. At the end of each passage, you will hear some questions. Both the
passage and the questions will be spoken only once. After you hear a question,
you must choose the best answer from the four choices marked A), B), C) and D).
Then mark the corresponding letter on Answer Sheet 2 with a
single line through the centre.
What is one Of the difficulties in Carrying out a world-wide birth control program
A．The level of education varies around the world. B．The economists’ attitudes to population differ greatly. C．The living standard varies from country to country. D．The countries’ attitudes to population differ greatly.