题目内容：
SECTION AMINl LECTUREIn this section you will hear a mini-lecture．You will hear the lecture ONCE 0NLY．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 gal-filling task on ANSWER SHEET ONE．Some of the gaps may require a maximum of THREE words．Make sure the word(s)you fill in is(are)both grammatically and semantically acceptable．You may refer to your notes while completing the task．Use the blank sheet for note-taking．
根据材料，请在（1）处填上最佳答案。
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