a. 狂热的, 热心的, 热烈的

◆记忆方法一：
谐音：因狮子爱死迪克 因狮子爱死迪克，所以对他很热心。
◆记忆方法二：
联想方式：enthusias-（热心）；tic-（题词）
记忆方法：热心题词的人是很热心的。

heart/hearty/warm-hearted/enthusiastic/cold-hearted/broken-hearted/kind-hearted/hen-hearted/lion-hearted/heard
记忆：
1. heart [ hB:t ] n. 心, 中心, 心情, 感情 sweet heart宝贝儿 In English, hearts are often connected with feelings.在英语中，心常与感情有关。
2. hearty [ 5hB:ti] adj. 衷心的 Please accept my hearty congratulations.请接受我衷心的祝贺。
3. warm-hearted adj. 热心的 The warm-hearted girl showed us around her school and introduced a lot about it.热心的女孩带我们参观她的学校，并且作了大量的介绍。
4. enthusiastic [ in7Wju:zi5Astik] adj. 热心的, 热情的 We are all enthusiastic about the travel to Tibet.我们对西藏之旅很有热情。
5. cold-hearted [kEJld5hB:tId] adj. 冷酷的 In the novels the landlord was often described as cold-hearted.在小说中，地主常被描述为冷酷事情的人。
6. broken-hearted adj. 心碎的 The broken-hearted girl left the city alone. 那个心碎的女孩孤单地离开了这座城市。
7. kind-hearted [ 5kaind5hB:tid ] adj. 善良的 Never assume kind-hearted people to be weak.不要以为善良的人很软弱。
8. hen-hearted adj. 胆小的 The hen-hearted woman screamed at the sight of a rat.胆小的女人一见到猫就惊叫起来。
9. lion-hearted adj. 勇敢的 The lion-hearted boy feared nothing at all.勇敢的男孩什么都不怕。
10. heard [h\:d] hear的过去式 I heard that the president of Chechen was killed at the explosion in May. 听说车臣总统在五月份被炸死了。
另类阅读：
How many kinds of heart have you heard of? Warm-hearted or kind-hearted people are welcome everywhere; lion-hearted ones are admired; broken-hearted ones as well as hen-hearted ones are pitiful but cold-hearted ones are disgusting.