1. [词根辨识]比较biannual和biennial表示的不同时间概念。分析其词形的不同点。
2. [望文生义]根据已知词根和词缀的含义求出所给单词的含义。
已知：tri-=three; quadr-=four; quinqu-=five; sex-=six;
sept-=seven; oct-=eight; dec-=ten; cent-=hundred;
mille-=thousand.
求：
① millennial ⑥ centennium
② sexennial ⑦ septennium
③ deceenial ⑧ quinquennium
④ bicentennial ⑨ octennium
⑤ quadrennial ⑩ trimillennium
5. anthrop [GK]=man人类
anthrop是本书介绍的第一个来自希腊语的词根，它的词源是希腊名词anthropos，意思为man或human kind（人类）。在构词中，anthrop后面常跟着连接字母-o-，也可以把anthropo看作异形词根。
anthropology [anthropo=man人类；-logy n.=branch of science一门科学→“the science about man研究人类的科学”→] n. the science dealing with the physical, social, and cultural development of man人类学
▽anthropologist [anthropolog(y);-ist n.] n.人类学者
philanthropist [phil=to love 爱；anthrop=man 人类；-ist n.=person人→“person who loves man 爱人类者”→] n. person who loves his fellow men, especially, who is engaged in helping the poor men博爱主义者；慈善家
▽philanthropy [phil;anthrop;-y n.] n.慈善；仁爱
philanthropic [phil;anthrop;-ic a.] a.博爱的
misanthropist [mis=to hate恨；anthrop=man人类；-ist n.=person人→“person who hates his fellow men厌恶人类者”→] n. person who hates everybody and avoids being in the company of others离群索居者；愤世嫉俗者：A misanthropist can never become a philanthropist.愤世嫉俗者是成不了慈善家的。
▽misanthropy [mis;anthrop;-y n.] n.厌世
misanthropic [mis;anthrop;-ic a.] a.厌世的；厌世者的
anthropoid [anthrop=man人类；-oid a.=like像……→] a. like a man;in the form of a man类人的；有人形的：anthropoid ape类人猿
anthropography [anthropo=man人类；-graphy n.=the study……学→“the study about man 有关人类情况的学说”→] n. the study of the geographical distribution of human races人种地理分布学
anthropogenesis [anthropo=man人类；genesis=the origin起源→] n. the study of man's origin and development人类起源和发展学
anthropotomy [anthropo=man人类；tomy=anatomy解剖学→] n. human anatomy人体解剖学
