Unit 5 The power of nature
核心单词
1. appoint
vt.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：
千字文内容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
初次见面keep one’s appointment 守约
appointed adj. 约定的；指定的Our visitors arrived at the appointed time.
闭塞读音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。
双子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. evaluate
vt.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
lf evaluation 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。
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. vary
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. varies
C. differ
D. range
(2)翻译句子
①The weather varied from day to day.
②Prices vary with the asons.
解析：(1) 选B。按照句意此处是指收费的多样化，故使用vary from ...
to ...结构。
(2)①天气一天天地变化着。
②物价随季节而变动。
4. guarantee
n. 保证，保证书，担保，抵押品
常用结构：
guarantee to do sth. 保证做某事
guarantee that/sth. ... 保证……
guarantee sb. sth. 保证某人某物
give sb. a guarantee that ... 向某人保证……
The rain guarantees a good crop this year.
这场雨保证了今年有个好收成。
My watch is guaranteed for one year.
关于坚持的作文800字我的表保修一年。
高手过招
单项填空
Working hard is not only a of great success, but is among the esntial requirements.
A.Sign
B. signal
C. guarantee
D. Supposition
解析：选C。按照前句意思“努力工作不仅是巨大成功的保证”，可知答案。重点短语
5. make one’s way to
前往……
Dickens made his way to the woods.
迪肯斯朝树林走去。
Some thirty percent of the world’s exports of tea makes its way to London.
世界上大约30%的茶叶都出口到了伦敦。
Though it was raining hard, he made his way to school.
尽管雨下得很大，他还是朝学校赶去。
联想拓展
feel one’s way 摸索着前行
fight/push one’s way 推挤着前行
lo one’s way 迷路
force one’s way out 挤出去；冲出去
push one’s way in 挤进去
学法心得show sb. the way 为某人指路
get in the way 妨碍
wind one’s way 蜿蜒前进
高手过招
翻译句子
①由于在这方面没有经验，我们必须摸索着前进。
②很多学生正朝博物馆走去。
答案：①Without experience on it, we have to feel our way.
②Many students are making their way to the muum.
6. burn ...to the ground
(楼房等)被（全部）烧毁；全部焚毁
rich的反义词He has no place to live in becau his hou has been burnt to the ground.
孝庄皇太后他无处栖身，因为他的房子被烧掉了。
联想拓展
burn away 逐渐烧掉；消失
burn down (建筑物）烧毁，火力减弱
