Unit 5 The power of nature 核心单词1. appointvt. 任命;委派He appointed Williams as his deputy in the city of York.他任命威廉姆斯作为他在约克郡的代理人。He was appointed mayor of the city.他被任命为这个城市的市长。常用结构:appoint sb. to a post 派某人担任某职The teacher appointed him (to be) monitor. 老师任命他为班长。 联想拓展appointment n. 约会;约定;委任make/have an appointment with sb. 与某人约会break one’s appointment 违约;失约keep one’s appointment 守约appointed adj. 约定的;指定的Our visitors arrived at the appointed time.我们的来宾在约定的时间到达了。高手过招翻译句子①校长任命了一位新主任。②如果你想和他见面,你得预约。答案: ①The headmaster appointed a new director.②If you want to meet him, you have to make an appointment. 2. evaluatevt. 评估;评价;估计The scientists have evaluated the data. 那些科学家已经评价了那些资料。We need to evaluate how well the method is working.我们需要对这一方法产生的效果作出评价。联想拓展evaluation n. 估价;评价;计算accomplishment evaluation 学业成绩评定selfevaluation 自我评价 educational evaluation 教育评定 evaluation factor 评价因素evaluation method 评价方法易混辨析 evaluate/estimate/value 三个词都含有“评价,估计”的含义。联系方式 QQ:1365602590 邮箱:zxjkw@163.com1 evaluate 一般不用来表示“估价”或“估计”某物的市场价值。 estimate表示“估量,预算”,还可以表示“评价,看法等”。 value表示“为……估价格”,还可以表示“珍视,重视”。 答案:①评估一个培训项目的花销通常是很困难的。②把她当成一名歌手来评价很难。3. varyvt. 改变, 变更, 使多样化vi. 变化, 不同, (彼此)相异常用结构:vary in/on 在……方面不同vary from ...to ... 从……到……不等; 在……到……之间变动vary with/according to 随……变化而变化a variety of/varieties of=various 多种多样的The temperature varied throughout the day.气温一整天都在变化着。高手过招(1)单项填空The charge from 5 yuan to 10 yuan.A. Changes B....