playground[ˈpleɪgraʊnd]

【词频】★★★☆☆

n. 游乐场；操场

qualification[ˌkwɒlɪfɪˈkeɪʃn]

【词频】★★★☆☆

n. 资格；限制条件；素质；技能

【形】：quality

【例】n. 资格

（2013湖南）While there is no widely accepted definition of MOOCs, their key features are open access：they are currently free to participants, no entry qualifications are required, they support an unlimited number of participants and as yet, very few include any form of accreditation.

【译】虽然慕课现在没有一个被广泛认可的定义，但是慕课的关键特征是开放式使用：目前其课程对参与者免费，不要求加入资格，不限参与者人数，然而同时也几乎没有任何形式的合格鉴定。

【派】qualify [ˈkwɒlɪfaɪ] v. 取得资格；(使)具有资格

【形】quality [ˈkwɒləti] n. 质量；品质；才能

resist[rɪˈzɪst]

【词频】★★★☆☆

v. 抵抗；抗拒；抵制

【派】resistance [rɪˈzɪstəns] n. 电阻；阻力；抵抗

【例】n. 抵抗

（2011上海）Self-cleaning clothes have now been created, and these new materials provide superior resistance to dirt as well as water.

【译】现在已经发明出了能自我清洁的衣服，这些新材料有更强的抗污和防水能力。

resistant[rɪˈzɪst(ə)nt] adj. 有抵抗力的；顽固的

salary[ˈsæləri]

【词频】★★★☆☆

n. 工资，薪水

【例】n. 工资，薪水

（2008上海）The young people also predicted that they would be earning on average £31,000 by the age of 25, although the average salary for those aged 22 to 29 is just £17,815.

【译】尽管22~29岁的年轻人的平均工资仅有17,815英镑，但是这些年轻人预测，他们在25岁之前平均可以赚到31,000英镑。