【问】 这三个词容易混淆，请简析。

【答】 credible作“可信的”(believable)，如a credible story(可信的故事)，a credible news report

(可信的新闻报导)，其反义词是incredible：

1. It is hardly credible that time should have passed so quickly.(DEU)

时间竟过得这么快，简直难以置信。

2. It hardly seems credible that he earns that much in a week. (Perrin)

他在一周之内挣了那么多钱，似乎是令人难以置信的。

creditable则作“值得赞扬的”解，其反义词是discreditable：

1. My son makes very creditable grades in school. (FWF)

我儿子在学校的成绩是很值得称赞的。

2. The coach did a creditable job in bringing the team to the championship. (FWF)。

教练对于使他的队获得冠军做出了值得称赞的工作。

credulous的意思是“轻信的”、“易受骗的”：

1. Some men love to cheat credulous women. (FWF)

有些男人喜欢欺骗轻信的女人。

2. Only a child—a credulous child—would believe those ads. (Perrin)

只有孩子——只有轻信的孩子才会相信那些广告。

请做下面的英语试题：

1. The daring rescue of those stranded on the mountaintop was truly a creditable deed.A. hard B. praiseworthy C. unusual D. risky

2. Marie is so____that she will believe anything you tell her.

A. skeptical B. trustworthy C. believable D. credulous(TOEFL 72.1)