51. childish, childlike

　　childish幼稚的。如：It was very childish of him to lose his temper over something so unimportant.

　　childlike孩子般天真的。如：When she won the gold medal, there was childlike smile on her face.

　　52. choose, pick, select, elect

　　choose是一常用詞，表一般的“選擇”。

　　pick通常用于不需要認真權衡，對比就能做出決定。

　　select側重“在同類的許多東西中，進行有斟酌的精選”。

　　elect指選舉或用其他方法推選人。

　　53. cloth, clothing

　　cloth布。如：I need three yards of cloth to make a suit.

　　clothing衣服(總稱)。如：You’d better give all the old clothing away.

　　54. complex, complicated

　　均可表“復雜”。

　　complex為常用詞。

　　complicated為正式用詞，表由于組成部分太多，相互關系太復雜而不能理解，語氣很強。

　　55. compose, consist, constitute

　　compose為常用詞，常用被動語態，如用主動語態，主語應用復數形式。如：Twelve men compose a jury.(十二人組成陪審團。)

　　consist表一個整體由幾個部分組成(只能用主動語態)。如：The United Kingdom consists of Great Britain and Northern Island.(聯合王國是由大不列顛及北愛爾蘭組　　成。)

　　constitute為正式用詞，與consist相反，表由哪些部分構成整體。如：Twelve months constitute a year.(一年有十二個月。)

　　56. considerable, considerate

　　considerable相當多的，可觀的。如：He met a considerable amount of trouble.(他遇到了許多麻煩。)

　　considerate 考慮周到的，體諒的。如：It was considerate of you not to trouble us.(你真體貼人，不打擾我們。)

　　57. consistent, constant, continual, continuous

　　consistent一致的，符合的。如：His action is always consistent with his words.

　　constant不斷的，表示持續和慣常的重現，往往沒有變化。如：He attributes his health to his constant exercise.

　　continual頻頻的，不停的，時斷時續，中間可有間歇。如：Continual smoking is bad for health.

　　continuous不斷延伸的，連續不斷的，強調中間無間斷。如：Everything in the universe undergoes continuous development and change.

　　58. crack, crash

　　crack(使)破裂，砸開。如：I can crack it, but I can’t break it. (我能把它弄裂，但不能把它弄破。)

　　crash摔壞，墜毀。如：The plane crashed shortly after the take-off.(飛機起飛不久就墜毀了。)

　　59. crawl, creep

　　crawl多指蛇，蟲類等身體沿地面或其他表面的動作。如：There is an insect crawling up your back. (有一蟲子正在你的背上往上爬。)

　　creep多指哺乳動物或人等用四肢爬行的動物偷偷摸摸無聲緩慢的前行動作。如：They arrived late and crept into the classroom.(我們遲到了，便悄悄地溜進教室。)

　　60. cure, treat

　　cure治愈，醫治。如：The medicine will cure of your disease.(這藥能治好你的病。)

　　cure表示治好，treat只表示“給……治病”。