1.categorical a.无条件的．绝对的(absolute)；分类的(of a category)

词根记忆：来自category(n.种类；范畴)

例:The boss gave acategorical no for an answer.

2.category n．类别，种类(any of several fundamental and distinct classes)

例:There are several categories of surgical procedures that are often performed unnecessarily.

派生词：categorical(a.类的)

3.cater v.满足（需要）(to supply what is required or desired)

例:Will the restaurant cater to our special requests?

4.caterpillar n.毛虫(larva of a butterfly or moth)

该词本意是hairy cat(长毛的猫)，其中pillar意为hair

例:Once ingested by a caterpillar, the crystals dissolve, releasing the virus to infect the insect's cells.

5.cathedral n．大教堂(main church of a district under the care of a bishop);a．大教堂的(of a cathedral)

词根记忆：cathedra(拉丁文：主教座位)+I--设有主教座位的地方--大教堂

例:No doubt castle and cathedralbuilding was not totally barren of profit.

6.Catholic a．罗马天主教的(Roman Catholic)

例:Roman Catholic church罗马天主教堂

7.causative a.成为原困的（effective or operating as a cause）

词根记忆：来自cause(n.原因)

词根记忆：Sources of financing must be a more important causative factor in the success of a start-up company.

8.cease v/n.终止，停止(to stop）

联想记忆：c+ease(安逸，安心)--生于忧患，死于安乐--终止，停止

例:The government ceased to regulate major industries.

9.celestial a．天体的，天空的(of or relating to the sky)

词根记忆：celest(天空)+ial一天空的

例:celestial body天体

同根词：celeste（n.天蓝色）

10.cellular a．细胞的(of or consisting of cells)；蜂窝状的(full of cells, shaped like a beehire)

词根记忆：cell(细胞)+ular --细胞的

例:cellular structure蜂窝状结构

派生词：intracellular(a．细胞内的)：multicellular(a.多细胞的)i subcellular(a.亚细胞的)：unicellular(a.单细胞的)