重点讲解：
1. divide into （使）分开；（使）分散；（使）分裂；
例句：It will be easiest if we divide them into groups.
如果我们将他们分成小组将是最简单的fgzXf(^aj!L!3~pI4We。
2. be used to doing sth. 习惯于；
例句：Most people have no objection of these various restrictions, who in order to live have been used to sitting down under it.
多数人对这些丝毫没有不满，为了生存，人们已习惯逆来顺受&~-Sl3SDd2tsi@7yQ_J[。
3. be identical to 完全相同的；同样的；
例句：Your voice is identical to hers.
你的声音和她的声音完全相同aRW];k=Uz=Gf[fB+*。
4. be exposed to 使受…的影响(或熏陶)；使接触；
例句：We are all exposed to such advertisements every day and their effect on us cannot be denied.
我们每天都接触这一类广告，它们对我们的影响是不可否认的7)oz88FFYx6O8fm#8j53。