a. 有资格的【经】 合格的, 有条件的, 有限制的相关词组: be qualified as in a qualified sense

equal/equality/unequal/quality/qualify/qualified/qualification/quantity
记忆：
1. equal [ 5i:kwEl ] adj. 相等的,不相上下的 n. 相等的事物(或数量), 对手 vt. 等于, 比得上 Everyone is born equal. 每个人生来是平等的。
2. equality [ i(:)5kwCliti ] n. 等同性, 同等 Why can’t human beings carry out equality completely?为什么人类不同完全实现平等？
3. unequal [ 5Qn5i:kwEl ] adj. 不平等的, 不同的, 不平衡的, 不胜任的 The forces are unequal. 力量悬殊。
4. quality [ 5kwCliti ] n. 质量，资格 More and more schools begin to pay attention to the quality of the students as well as their marks. 越来越多的学校开始既注意学生的分数又重视他们的素质。
5. qualify [ 5kwClifai ] n. (使)具有资格 The special training can qualify you for the post.这种特训能使你有资格担任那个职务。
6. qualified [ 5kwClifaid ] adj. 有资格的 It’s hard to find qualified computer talents here. 这儿很难找到合格的电脑人才。
7. qualification [ 7kwClifi5keiFEn ] n. 资格, 条件, 限制 We don’t think he has the qualification for the job. 我们认为他没有做这件工作的资格。
8. quantity [ 5kwCntiti] n. 数量 I think attention should be paid to both quality and quantity, but first, to quality. 我认为质量和数量都要重视，但首先要重视质量。
另类阅读：
We will hold a celebration to celebrate the equality we have won at last. After all, we have equal rights now, which is worth celebrating.
Large quantities of students are qualified to serve as tourist guides in our school. They can meet the qualifications of the guide. After one year’s training, they have their quality improved a great deal.