三年级的第四单元英语单词和句子（三年级上册第四单元句子和单词）

三年级的第四单元英语单词和句子【一】

1 . 由于苯酚对人体带有刺激性作用，它基本上已不再被当作常用的防腐剂了。

2 . Because of the space crunch, the Art Museum has become increasingly cautious in considering acquisitions and donations of art, in some cases passing up opportunities to strengthen is collections

3 . That’sexpensive

4 . Alexander Graham Bell once told his family that he would rather be remembered as a teacher of the deaf than as the inventor of the telephone

5 . 机械定时器的发展促使人们寻求更精确的日晷，以便校准机械定时器。

6 . 给美国的新移民增加教育设施比任何社会运动都更多的激发了Elizabeth Williams的热情。

7 . 儿童在能说或能听懂语言之前，很久就会通过面部表情和靠发出噪声来与人交流了。

8 . 采摘下的迷叠香树叶常绿不衰，因此人们把迷叠香树与怀念联系在一起。

9 . 在所有的经济作物中，棕榈树得到的研究最少。

10 . 父母的教导如果坚定，始终如一和理性，孩子就有可能充满自信。

三年级的第四单元英语单词和句子【二】

1 . 尽管模仿鸟学很多种鸟的鸣叫声惟妙惟肖，但人类还是能够依其声音上的线索很快识别它们。

2 . 老人和年轻人之间只有一个区别：年轻人的前面有辉煌的未来，老年人灿烂的未来却已在它们身后。这也许就是困难之所在。

3 . (他发誓永不暴露我的住地，谁知他竟然见利忘义!您与这种灵魂肮脏的小人一起来残害无辜，难道不怕天下人笑话吗?

4 . 谨慎的航海员在出航前，会研究航向，记录的灯塔的位置，以便对各种可能出现的情况做到有备无患。

5 . Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence

6 . 每次我听说体育运动能够在国家间建立起友好感情，说世界各地的普通人只要能在足球场或板球场上相遇就会没有兴趣在战场上相遇的话，我都倍感诧异。

7 . Where are my socks ? They’re on the bed

8 . School is over 放学了。 / Class is over 下课了 。

9 . Please pass me my T-shirt

10 . 理论在本质上是对认识了的现实的一种抽象和符号化的表达。

三年级的第四单元英语单词和句子【三】

1 . 人造花卉即可用于科学目的，也可用于装饰目的，它们可以用各种各样的材料制成，臂如蜡和玻璃；其制作如此精巧，几乎可以以假乱真。

2 . 简明，直接，有力的写作难于花哨，含混而意义模糊的表达。

3 . 石头不会腐烂，所以以前的(石器工具能保存下来，虽然它们的制造者已经消失的无影无踪。

4 . Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued

5 . Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing

6 . 优化历史是由一连串的迷人事件组成，其源头大概可以上溯到最早的图画。

7 . Lucretia Mott’s influence was so significant that she has been credited by some authorities as the originator of feminism in the United States

9 . 物理学和化学的一个成果是使得科学家们能在生物学和医学上获得重大发现。

10 . By the middle of the twentieth century, painters and sculptors in the United States had begun to exert a great worldwide influence over art

三年级的第四单元英语单词和句子【四】

1 . 当有关西部铁路的说服和规划工作终于完成后，真正艰难的任务还没有开始；即危险，吃力，需要伤筋动骨和吵吵嚷嚷的建造这些铁路的实际工作。

2 . Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places

3 . 受当代灌溉(技术设施之赐，农作物在原来只有仙人掌和荞属科植物才能生存的地方旺盛的生长。

4 . Even more shocking is the fact that the number and rate of imprisonment have more than doubled over the past twenty years, and recidivism------that is the rate for re-arrest------is more than percent

5 . Because its leaves remain green long after being picked, rosemary became associated with the idea of remembrance

6 . 北美远古的Hopewell人很可能种植了玉米和其它农作物，但打猎和采集对他们的经济贸易仍是至关重要的。

7 . (他斥责调达背信弃义，恩将仇报，并重重惩罚了他。

8 . 这句话突出了父亲挖的时间长过程艰难，表现出父亲执著的信念和为救儿子所克服的巨大困难

9 . Breakfast is ready !

10 . (我从心底里知道，“精彩极了”也好，“糟糕透了”也好，这两个极端的断言有一个共同的出发点——那就是爱。

三年级的第四单元英语单词和句子【五】

1 . The chief foods eaten in any country depend largely on what grows best in its climate and soil

2 . 史前的人们制造颜料是将植物和泥土等原料磨成粉末，然后加水。

3 . In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center

4 . The United States Constitution requires that President be a natural-born citizen, thirty-five years of age or older, who has lived in the United States for a minimum of fourteen years

5 . It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology

6 . 当亨利福特最初制造汽车为寻求资金支持时，农民和一般职员也能拥有汽车的想法被认为是可笑的。

7 . Alexander Graham Bell曾告诉家人，他更愿意让后人记住他是聋子的老师，而非电话的发明者。

8 . When it is struck, a tuning fork produces an almost pure tone, retaining its pitch over a long period of time

9 . 人类骨骼有二百多块骨头组成，住些骨头石油坚韧而相对缺乏弹性的，被称为韧带的结蒂组连在一起。

10 . 典型的鹌鹑都长有短而圆的翅膀，凭此他们可以在受惊时一跃而起，飞离它们的躲藏地。

三年级的第四单元英语单词和句子【六】

1 . 水獭啃倒树木，以便取食物并获得造窝的材料。

2 . Research into the dynamics of storms is directed toward improving the ability to predict these events and thus to minimize damage and avoid loss of life

3 . Stone does decay, and so tools of long ago have remained when even the bones of the man who made them have disappeared without trace

4 . Itfitsmewell

5 . As the time and cost of making a clip drop to a few days and a few hundred dollars, engineers may soon be free to let their imaginations soar without being penalized by expensive failure

6 . Just a minute

7 . Your school is beautiful ( cool …

8 . It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner which would make a modern climber shudder at the thought, but they did not go out of their way to court such excitement

9 . 年看见哈雷慧星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪的回归呢？

10 . The history of painting is a fascinating chain of events that probably began with the very first pictures ever made

三年级的第四单元英语单词和句子【七】

1 . Among almost seven hundred species of bamboo, some are fully grown at less than a foot high, while others can grow three feet in twenty-four hours

2 . 了解仿写句子的基本要求，并学习简单的仿写。

3 . 十八世纪时，"小乌龟"是迈阿密部落的酋长，该部落的地盘就是今天的印第安纳州和俄亥俄州。

4 . Insects would make it impossible for us to live in the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals

5 . I like this one

6 . (“他挖了小时，小时，小时，小时，没人再来阻挡他。”

7 . (他发誓永不暴露我的住地，谁知他竟然见利忘义!

8 . Although mockingbirds superbly mimic the songs and calls of many birds, they can nonetheless be quickly identified as mockingbirds by certain aural clues

9 . 结合课文语境，先理解划线词语，再说说句子的意思。

10 . Perfectly matched pearls, strung into a necklace, bring a far higher price than the same pearls told individually

三年级的第四单元英语单词和句子【八】

1 . 一是“我”有个常常鼓励我的慈祥的母亲，她常常肯定“我”，给“我”力量，母亲的爱是“我”创作的灵感和源泉;二是“我”还有一个严厉的父亲，他的警告和教育，使我不走向歧途，“我”写了很多作品，出版发行了一部部作品的力量来自于父母两方面，所以我是多么的幸运。

2 . The sloth pays such little attention to its personal hygiene that green algae grow on its coarse hair and communities of a parasitic moth live in the depths of its coat producing caterpillars which graze on its mouldy hair Its muscles are such that it is quits incapable of moving at a speed of over a kilometer an hour even over the shortest distances and the swiftest movement it can make is a sweep of its hooked arm

3 . During the eighteenth century, Little Turtle was chief of the Miami tribe whose territory became what is now Indiana and Ohio

4 . 真菌在腐化过程中十分重要，而腐化过程将化学物质回馈于土壤，提高其肥力，并分解动物粪便。

5 . Of all the economically important plants, palms have been the least studied

6 . Hurry up !

7 . 计算机储存和由于电子微处理机得以实现的电控运用成倍的增加了现代打字机的功能。

8 . Anthropologists have discovered that fear, happiness, sadness, and surprise are universally reflected in facial expressions

9 . Starting around BC, and for the next four thousand years, much of the Northern Hemisphere experienced temperatures warmer than at present

10 . 社会心理学的主要焦点是人与人之间的交往，而不是他们各自生活中的事件。

三年级的第四单元英语单词和句子【九】

1 . 一个地方的人口越多，其对水，交通和垃圾处理的需求就会越大。

2 . 人们已经发现，某些蝙蝠发出尖叫声并靠接受回响来锁定和避免障碍物——或者找到它们赖以为生的昆虫。蝙蝠这种回响定位法常拿来和原理与之很相近似的雷达相比。

3 . Using many symbols makes it possible to put a large amount of inFORMation on a single map

4 . 膝盖是大腿骨和小腿胫的连接处。

5 . In group to remain in existence, a profit-making organization must, in the long run, produce something consumers consider useful or desirable

6 . 使用多种多样的符号可以在一张地图里放进大量的信息。

7 . Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red

8 . Fungi are important in the process of decay, which returns ingredients to the soil, enhances soil fertility, and decomposes animal debris

9 . (只要你不向任何人泄露我的住处，就算是知恩图报了。

10 . No social crusade aroused Elizabeth Williams’ enthusiasm more than the expansion of educational facilities for immigrants to the United States