34. Most people work because it’s unavoidable. ______, there are some people who actually enjoy work. 

21. ______ the course very difficult, she decided to move to a lower level.

Section BDirections: This section is to test your ability to understand short conversation.There are 2 recorded conversations in it.After each conversation, there are some recorded questions. Both the conversations and questions will be spoken two times.When you hear a question, you should decide on the correct answer from the 4 choices marked A, B, C and D given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single line through the center.Conversation 16.

（ ）15. People who have a large order can be given a special discount.

48. Any worn clothing or ______ will produce bacteria used bath towel

（ ）54.Gina is a music teacher. Although she prefers classical music, she likes to follow the kind of music that interests the teenagers she teaches.

33. Better take a hat with you ______ you get sun burnt because of the strong sunlight.

44. What can we learn from the passage?

30. Scientists have obtained more evidence ______ plastic is finding its way into the human body.

22. Not until the motorbike looked almost new ______ repairing and cleaning it.

Conversation 29.

5.