1.crack n．強(qiáng)效純可卡因(a potent form of cocaine);v.裂開，斷裂（to break, split, or snap apart）

例:The use of crack and cocaine is growing rapidly among workers.//In most earthquakes the Earth's crust cracks like porcelain.

2.cramped a．狹窄的(confined, restricted)；狹促的(restrained)

詞根記憶：cramp(鐵箍，夾子)+ed--箍得很緊的--狹窄的

例:No more people could fit into the cramped elevator.//The cramped kennel was filled with too many dogs.

3.cranium n.頭顱(braincase)；頭蓋(skull)

例:What scientists know about dinosaur brains comes from studies of the cranium, the bony house of the brain located in the back of the skull.

4.crass a．粗坐的(gross)；愚鈍的(stupid)

例:Protecting children from the crass business world became enormously important.

5.crate n．籃，簍(an open box of wooden slats or a usually wooden protective case or framework for shipping)

聯(lián)想記憶：編籃子( crate)也是一種創(chuàng)造(create)

6.creative a．創(chuàng)造性的（marked by the ability or power to create）

詞根記憶：來自create(v.創(chuàng)作；創(chuàng)造)

例:Scientists typically do their most creative work before the age of forty.

派生詞：creatively(ad.創(chuàng)造性地；有創(chuàng)造力地)；creativity(n.創(chuàng)造力)

同根詞：recreate(v.再創(chuàng)造；娛樂，消遣)

7.creativity n.創(chuàng)造力，創(chuàng)作力(the ability to create)

詞根記憶：cre(生長)+tivity--生長出新東西--創(chuàng)造力

例:Like their male counterparts, women scientists are above average in terms of intelligence and creativity.

8.credence n．信任(belief)

詞根記憶：cred(相信)+ence--相信--信任

例:Students are less likely to give credence to history textbooks than to mathematics textbooks.

同根詞：credibility(n.可信，可靠)；accredit(v.信任，授權(quán)于)

9.credit n．信用，信任(trust)；v.把…歸給(to ascribe)；把…記入貸方(to enter upon the credit side of an account)

詞根記憶：cred(相信)+it--相信

例:Agricultural technology is credited with having made our lives better.//Interest was credited on the last day of each month.

派生詞:discredit(礦懷疑)

10.creditworthiness n.有資格接受信用貸款(financially sound enough to justify the extension of credit)

例:Members of society have varying degrees of purchasing power and creditworthiness.