National English Contest for College Students(Level C--- Preliminary)Part I Listening Comprehension (25 minutes, 30 marks)Section A (5 marks)In this section, you will hear five 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, read the three choices marked A, B and C, and decide which is the best answer
Then mark the corresponding letter on the Answer Sheet with a single line through the center
To buy a newspaper
To find a chemist
To post a letter
Their billing system has been efficient
Their old billing system is outdated
He’s unimpressed with the new billing system
She’s been on vac