Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
conduct – v. to plan and do (something, such as an activity)
poll – n. an activity in which several or many people are asked a question or a series of questions in order to get information about what most people think about something
encourage – v. to make (someone) more likely to do something
negative – adj. thinking about the bad qualities of someone or something
affirmation – n. the showing of a strong belief in or dedication to (something, such as an important idea)
mosaic – n. something made up of different things that together form a pattern
