Unit 5 Working the Land
【话题词汇】
1.beneficial adj. 有好处的
2.refresh v. (使)精神振作，(使)精力恢复
3.harmful adj. 有伤害的
4.tasty adj. 味道好的
5.reduce vt. 减少，缩减
6.serve vt. 招待(顾客等)，服务
7.strengthen v. 增强
8.acute adj. 严重的；(疾病)急性的
9.allergic adj. 过敏的
10.appetite n. 食欲，胃口
11.bitter adj. 苦的，有苦味的
12.depressed adj. 抑郁的，沮丧的
13.digest vt. 消化；领会
14.disease n. 疾病
15.nutritious adj. 营养的
16.poisonous adj. 有毒的
【话题短语】
1.be beneficial to 对……有益
2.lead to water and soil loss 导致水土流失
3.be rich/abundant in 富含……
4.be high/low in 含……高/低
5.alleviate food shortage 解决食物短缺
6.keep ecological environment 保护生态平衡
7.build up one's body 增强某人的体质
8.protect the natural balance of the environment
保护环境的生态平衡
9.keep healthy both physically and mentally
保持身心健康
10.develop a healthy eating habit 养成健康的饮食习惯
【话题佳句】
1.Every single grain on your plate is the result of hard work.谁知盘中餐，粒粒皆辛苦。
2.It is widely believed that plenty of fresh air contributes to good health.
人们通常认为足够的新鲜空气有助于健康。
3.You'd better exercise regularly and have a healthy diet, which is the most important way to help you stay away from an infection.
你最好经常锻炼并健康饮食，这是帮你远离感染的最重要的方法。
【话题练习】
1.As long as you stop eating that much every day, you can lose some weight.
只要你每天不吃那么多，你就可以减一些体重了。
2.If I were you, I would work out regularly and get into good eating habits in order to keep healthy.
如果我是你，我会经常锻炼并养成良好的饮食习惯以保持健康。
联想拓展
不可数名词集锦
①progress 进步
②information 信息
③fun 乐趣；快乐
④luggage/baggage 行李
⑤advice 建议
⑥furniture 家具
后缀hood名词集锦
①neighborhood 邻里
②childhood 童年
③brotherhood 手足之情
④adulthood 成年
⑤manhood 男子气概
⑥parenthood 父母身份，亲子关系
联想拓展
in＋名词短语荟萃
①in advance 提前
②in turn 依次；反过来
③in person 亲自
④in return 作为回报
⑤in addition 此外，而且
⑥in fact 事实上
表示“聪明”的形容词荟萃
①smart 聪明的；机敏的
②gifted/talented 有才能的
③wise 明智的
④brilliant 杰出的
⑤intelligent 聪明的
⑥creative 富有创造力的
高频考点探究
1．devote vt.把……献(给)；把……专用于；专心于
【教材原句】
Indeed, his slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life.
事实上，他瘦削但结实的身躯看起来和农民一样，而他为千千万万中国农民奉献了一生。
( (doing) sth. 把……献给(做)某事
devote oneself to＝be devoted to 献身于；专心致志于
(2)devoted adj. 忠实的；深爱的
devotion n. 奉献；关爱
【佳句背诵】
Volunteers came with the carloads of donated clothing and toys. Neighbors donated their spare time to helping others rebuilt.
志愿者们带来了一车车捐赠的衣服和玩具，邻居们用他们的空闲时间来帮助别人重建家园。
2．convince vt.使相信；使确信；说服
【教材原句】
Yuan was convinced that the answer could be found in the creation of hybrid rice.
袁隆平确信，答案可以在杂交水稻的培育中到。
(1)convince sb. of sth. 使某人相信某事
convince sb. 使某人相信……
do sth. 说服某人做某事
(2)convincing adj. 有说服力的
convinced adj. 确信的；坚信的
be convinced of 相信……
be convinced (that)．.. (某人)相信……
(3)convincingly adv. 有说服力地， 令人信服地
【佳句背诵】
Only by presenting facts and reasoning things out can we convince people.
摆事实、讲道理， 才能让人服气。
3．assumption n．假定；设定；(责任的)承担；(权利的)获得【教材原句】
The common assumption then was that it could not be done.
当时人们普遍认为这是不可能的。
(1)make an 认为；假定
on the 假定……
(2)assume v. 假定；设想
assume sb./sth. to be 假定/假设某人/某事为
It is 一般认为……
assuming (that)．.. 假设/假定……
【佳句背诵】
It is universally assumed that global warming and climate change could cause even more disasters in the future.
普遍认为全球变暖和气候的变化在将来会导致更多的灾难。
4．expand vt.&vi.扩大；增加 vt.扩展；发展(业务)
【教材原句】
This hybrid enabled farmers to expand their output greatly.(课本P50)
这种杂交使农民的产量大大增加。
把……扩展/发展成……
发展成/扩大成……
细说(阐述)……
expansion n. 扩展；扩张；膨胀；扩大
【误区释疑】
expand vt.&vi.使变大；伸展
expend花费
【构词法】
ex前缀：①表示向外；②表示前任；③表示加强的作用
eg：exit 出口 export 出口
exceed 超过，超出 extract 提取，抽出
【佳句背诵】
Our vocabulary expandstalented的用法和短语 through a wide range of reading.
我们的词汇量通过广泛的阅读而扩大。
5．alternative n．可供选择的事物；adj.可供替代的；非传统的
【教材原句】
As an alternative, some farmers have switched to organic farming, and many customers have turned to organic food when they shop at the local grocery.
作为一种选择，一些农民转向有机农业，许多顾客在当地杂货店购物时转向有机食品。
(1)have no alternative/choice but to do sth.
别无选择只好做某事
(2)have the alternative of doing sth.
有做……的选择，可以做……
(3)there's but to do sth.
……别无选择只好做某事
(4)an ……的替代品
(5)alternatively adv. 要不，或者
【知识拓展】
“别无选择只好做……”的其他表达形式：
(1)have no choice but to do sth.
(2)can't do sth.but do sth.
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