Match the underlined word or phrases in the transcript to their meanings below.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers.
   attributed (smiles) to      courteous      enhancing      jolts      standardized tests      stumbled on      tap into (something   
1. polite and respectful :
2. to make a connection (with something) that will give you an advantage : )
3. discovered something by accident :
4. examinations done under the same conditions :
5. sudden strong increases of energy:
6. improving:
7. believed that something was a result of a particular action: