1. 研究员   researcher   steward   president   fireman   Hint Half-n-half Clue   2. 蓝球运动员   programmer   basketball player   typist   worker   Half-n-half Clue   3. 顾问   coach   counsellor   bus driver   archaeologist   Half-n-half Clue   4. 生物学家   police   taxi driver   biologist   receptionist   Half-n-half Clue   5. 厨师   businessman   archaeologist   chef   counsellor   Half-n-half Clue   6. 总统   bartender   president   bus driver   programmer   Half-n-half Clue   7. 眼镜师   optician   saleswoman   typist   clerk   Half-n-half Clue