Identifying different stress patterns when the same word is used as a noun or a verb. (听录音,注意以下例子中重点单词的重读位置是否因词性的不同而改变) Examples: 1 They won the contract to build the new museum, 2 As they cool, metals contract . 3 You need a permit to fish here. 4 The rules don’t permit mobile phones in the school. 5 The time was a new world record . 6 I asked if I could record her lecture. Practice: Listen to the sentences and pay attention to the stress pattern, indicate whether the highlighted word is a noun or a verb. ( 听句子录音,根据其重音的位置特征判断目标词的词性,如判断为名词选择“ noun” 选项 , 如判断为动词选择“ verb” 选项。 )