a. 集体的, 聚集的, 共同的【医】 集体的, 集合的【经】 共同的, 集体的

◆记忆方法一：
谐音：肯立刻替我 集体的人肯立刻替我上。
◆记忆方法二：
词根词缀记忆法：collective a 集体的（collect+ive→集中到一起→集体的）,lect,lig= choose,gather表示“选择，收集”

collect/collection/collective/select/lecture/gather/gathering/connect/connection/connected/link
记忆：
1. 词根lect [ 5lektE(:)n ]含义是“挑选，采集”， 前缀col 为con的变体，表示“共同，一起”，collect [ kE5lekt ] 选到一起来，收集（有目的、系统地） My elder brother keeps a habit of collecting stamps.我哥哥有集邮的习惯。
2. 加名词后缀-ion, collection [ kE5lekFEn ] n. 收集，收藏品 One more stamp and my second collection will be completed. 再集一张，我的第二本集邮册就满了。
3. collective [ kE5lektiv] adj. 收集的，n. 集体 What have we done for our collective?我们为集体做了什么？
4. select [ si5lekt ] vt. 挑选，精选 Mother selected him a fashionable T-shirt.母亲为他选了一件时尚的T恤衫。
5. lecture [ 5lektFE ] 挑选出来的东西，讲座（可不能随便讲） We found the lecture about the manned spacecraft terrific. 我们发觉关于载人航天飞机的讲座太棒了。
6. gather [ 5^ATE ] vi. 集合, 聚集 vt. 使聚集, 搜集 We’ll gather apples for the farmers tomorrow. Please gather at the school gate in your plain clothes at 7:30 am.我们明天要为农民采收苹果，请穿上便装7点半在校门口集合。
7. gathering [ 5^ATEriN ] n. 聚集 There is often a large gathering at the square at the weekend.周末广场上常有大型的集会。
8. 词根nect [ 5nektE ] 含义是“捆扎”, connect, 把……捆扎在一起，联接，联系 The red rose is often connected with love. 红玫瑰往往与爱情有关。
9. connection [ kE5nekFEn ] 联系 Can you see the connection between the two events? 你能看出这两件事之间的联系吗？
10. connected [ kE5nektid ] adj. 有关联的 It’s said the rebellion is connected with him.据说那次叛乱与他有关。
11. link [ liNk] lin音近“连”，n.链环, 连结物, 链接 vt.连结 Link the bright dots and you will find some greeting words. 把这些亮点连起来，你就会看到一些问候的文字。
另类阅读：
People who collect stamps often gather at the weekend to exchange their collections that have no connection with profits. You can’t connect such a collective with business people.