1.dividend n.（股份的）红利(bonus)；效益(a resultant return or reward)；被除数(a number to be divided)

词根记忆：divid( =divis分)+end--分享的利润一红利

例:Mr. Jackson's 1980 dividends on his shares totaled $150.

同根词：divisor(n.除数，约数)

2.divisible a．可分割的；可整除的(capable of being divided)

词根记忆：divis(分)+ible--可分开的一可整除的

例:This positive integer is divisible by both 5 and 7.

3.division n.部门；分裂（繁殖）(plant propagation by dividing parts)；区分(something that divides, separates, or marks off)

词根记忆：divis(分)+ion--区分

例:Our company has just reduced its workforce by laying off fifteen percent of its employees in all divisions.//This determined the egg cell's potenttal for division.//division of labor in the family家庭中的劳动分工

4.divisive a．分裂的，不和的(creating disunity or dissension)

例:The issue is a very divLsive one about which many people have strong opinions.

派生词：divisiveness(n.不和)

5.divulge v.泄漏(秘癌}等)( to disclose)

词根记忆：di+vulge(酱通)--使…普通--泄漏（秘密等）

例:The stockbroker refuses to dwulge the source of her information on the possible future increase in a stock's value.

同根词：vulgar(a．粗俗的，普通的)

6.doctorate n.博士学位(the degree, title, or rank of a doctor)

例:A total of 774 doctorates in mathematics were granted to United States-citizens in the 1972-1973 school year.

7.doctrine n.教义(dogma)；学说(a set of beliefs)

词根记忆：doct(教)+rine--教义

例:the doctrine of evolution进化论

8.documentation n.证明文件(an instance of furnishing or authenticating with documents)；史实(conformity to historical or objective facts)

例:Mary Leakey contributed to archaeology through her discovery of the earliest direct evidence of hominid activity and through her painstaking documentation of East African cave paintings.

同根词：doctrine(n.学说，教义)

9.dogma n.教条(something held as an established opinion)

例:Church dogma宗教信条