Listen for stress
Listen to the following talk. Then listen to the following words and word groups from the talk. Mark the stress patterns of these words and word groups.

正常 慢速     If you stop to think about how much time you spend communicating, you would probably be surprised. Responding to sounds from alarms, turning on radios, reading morning papers, answering phones,stopping at traffic lights,buying gas from local dealers, getting messages and giving instructions to assistants, writing memos, ordering coffee, and so on -- within a few hours you have sent and received thousands of communicative messages.
  Stress positions  
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Example:to think about                   使用说明