题目内容：
In this section you will hear a mini-lecture. You will hear the lecture ONCE ONLY. While listening take notes on the important points. Your notes will not be marked but you will need them to complete a gap-filling task after the mini-lecture. When the lecture is over, you will be given two minutes to check your notes and another ten minutes to complete the gap-filling task on ANSWER SHEET ONE. Use the blank sheet for note-taking.填入第1题的答案是__________.
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