Words and expressionsConcern【寓词于境】 阅读下列句子,并试着总结 concern 在句中的词性、含义及用法。1. The latter meeting mostly concerned trade and agriculture.2. Tim’s illness concerns the whole class, as well as their teachers.3. The lady is always concerning herself about others’ business.4. At the meeting, the leaders from many countries expressed their concern over the climate. 5. After graduation, how to make a living became one of his major concerns.【自我归纳】 concern 可作动词,意为:______(句 1);使担心(句 2);______(句 3),此时可与反身代词连用。它还可作名词,意为:______(句 4),是不可数名词;关心的事情(句 5),是______名词。【拓展】 concerned adj. 意为“担心的;忧虑的;关切的;关注的;感兴趣的”,其后常跟介词 about, for, with 等,构成 be concerned about / for / with 结构。如:He called the police because he was concerned for / about his son’s safety.Selfish people are seldom concerned with other people’s feeling.concerning prep. 关于。如:Her attitude concerning this matter is clear.【即学即练】 用 concern 的适当形式填空。1. This new book by Han Han ______ his early experience.2. Lately everybody ______ the latest news about the big earthquake in Japan.3. I heard many things ______ the clever boy.Power【寓词于境】 阅读下列句子,并试着总结 power 在句中的含义及用法。1. Knowledge is power.2. It was beyond my power to help him when he was in great trouble. 3. Now many government officials can’t use their power properly. 4. The newly-elected president came into power. 5. I couldn’t talk with you on the mobile phone because the power was off. 6. Egypt is still a major power in the Middle East.【自我归纳】 power 有多种词义,意为:______(句 1);______(句 2);权利,权限(句 3);政权(句 4),可构成 come into power,表示“开始执...