One key social competence is how well or poorly people express their own feelings. Paul Ekman uses the term ‘display rules’ for the social agreement about which feelings can be properly shown when. Cultures sometimes vary tremendously in this regard. (A), Ekman and his colleagues in an Asian country studied the facial reactions of students to a horrific film about a teenage Aboriginal ritual ceremony. When the students watched the film with an authority figure present, their faces showed only the slightest hints of reaction. (B), when they thought they were alone (though they were being taped by a secret camera) their faces twisted into vivid mixes of uncomfortable feelings.

① Similarly ---- However 

② For example ---- Consequently 

③ Similarly ---- Therefore 

④ For example ---- However 

⑤ In addition ---- Consequently