填空题 Questions 27-33
Complete the notes below.
Choose NO MORE THAN TWO WORDS AND/OR A NUMBER from the passage for each answer.
Write your answers in boxes 27-33 on your answer sheet.
Lust
Attraction
Attachment
Designed to encourage  (27) 

wo chemicals are released through a third one called PEA

Chemicals in the brain work to reduce physical & mental suffering  (31) 

Generated by natural scent,looks and  (28)   (29)  is a feel-good chemical;norepinephrine brings about elevated heart-rate and nervosness Separate chemical processes mean PEA transmission does not always  (32) 

Has weak staying power

Can last for up to  (30)  There is a relationship between  (33)  and the failure of attachment to occur