三年级英语单词句子一至四单元（三年级英语123单元单词句子）
三年级英语单词句子一至四单元【一】
1 . 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。
2 . Television is more than just an electronics; it is a means of expression, as well as a vehicle for communication, and as such becomes a powerful tool for reaching other human beings
3 . 无政府主义这个词描述的是一堆理论和态度，它们的主要共同点在于相信政府是有害的，没有必要的。
4 . The pigmentation of a pearl is influenced by the type of oyster in which it develops and by the depth, temperature, and the salt content of the water in which the oyster lives
5 . 小惠考试没考好，难过得哭了。我会对她说：小惠，别难过了。考试过程中谁都会紧张，难免会失误。这次，只是一时疏忽造成的。失败是成功之母!我相信你下次一定能考好。
6 . Of the millions who saw Haley’s comet in , how many people will live long enough to see it return in the twenty-first century
7 . 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
8 . 这一句话写出了“我”对母亲的“精彩极了”的赞扬声和父亲“糟糕透了”的批评声，都有一个正确的认识，那就是父母共同的出发点——“爱”。正因为“我”，明白了父母的爱，所以在成长的过程中能够谨慎的把握住生活的小船，使它不被哪一股风刮倒，意思是说，不会产生自傲和自悲。有父母时常的提醒，在爱鼓励下，不断前进。
9 . 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
10 . The ancient Hopewell people of North America probably cultivated corn and other crops, but hunting and gathering were still of critical importance in their economy
三年级英语单词句子一至四单元【二】
1 . 昆虫就将会使我们无法在这个世界上居住；如果我们没有受到以昆虫为食的动物的保护，昆虫就会吞嚼掉我们所有的庄稼并杀死我们饲养的禽兽。
2 . Poodles were once used as retrievers in duck hunting, but the American Kennel Club does not consider them sporting dogs because they are now primarily kept as pets
3 . 任何盈利组织若要生存，最终都必须生产出消费者可用或需要的产品。
4 . That’sexpensive
5 . Just a minute
6 . 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。
7 . 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。
8 . 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。
9 . Anarchism is a term describing a cluster of doctrines and attitudes whose principal uniting feature is the belief that government is both harmful and unnecessary
10 . 酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。
三年级英语单词句子一至四单元【三】
1 . 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
2 . One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected
3 . It is impossible to say simply for the fun and exercise: as soon as the question of prestige arises, as soon as you feel that you and some larger unit will be disgraced if you lose, the most savage combative instincts are around
4 . School is over 放学了。 / Class is over 下课了 。
5 . 主要目的在于丰富和优质的农艺学利用了其它科学的知识。
6 . Arid regions in the southwestern United States have become increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hill-climbing contests or in caving new trails in the desert
7 . 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。
8 . It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology
9 . 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。
10 . 科学家曾相信：氙气是不能形成化合物的。
三年级英语单词句子一至四单元【四】
1 . 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。
2 . His teaching began at the Massachusetts Institute of Technology, but William Rainey Harper lured him to the new university of Chicago, where he remained officially for exactly a generation and where his students in advanced composition found him terrifyingly frigid in the classroom but sympathetic and understanding in their personal conferences
3 . Let’s go and have a look / Let’s run
4 . My T-shirt is red (颜色
5 . Where is my skirt ? It’s on …
6 . That xenon could not FORM chemical compounds was once believed by scientists
7 . In the eastern part of New Jersey lies the city of Elizabeth, a major shipping and manufacturing center
8 . 伊莉萨白市，一个重要的航运和制造业中心，坐落于新泽西州的东部。
9 . I am always amazed when I hear people saying that sport creates goodwill between the nations, and that if only the common peoples of the world could meet one another at football or cricket, they would have no inclination to meet on the battlefield
10 . Starting around BC, and for the next four thousand years, much of the Northern Hemisphere experienced temperatures warmer than at present
三年级英语单词句子一至四单元【五】
1 . 尤它州制造业的年产值大于其工业和农业的总和。
2 . The beaver chews down trees to get food and material with which to build its home
3 . Where are my socks ? They’re on the bed
4 . CanIhelpyou?Iwant…
5 . This small one ?
6 . As a result of what is now know in physics and chemistry, scientists have been able to make important discoveries in biology and medicine
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 . 根据默默无闻的小说制作优秀影片在美国由来已久，已经成为传统。
9 . 使用精心挑选的无意义词汇，可以检验语言学科里许多基本的假定。
10 . 学习并不难，只要大家合理使用复习，认真努力地学习，就一定会学好!希望我们提供的小学四年级下册语文第单元重点句子，能帮助大家迅速提高语文成绩!
三年级英语单词句子一至四单元【六】
1 . 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
2 . 未来主义，二十世纪早期的一个艺术思潮。拒绝一切传统，试图通过强调机械和动态来美化生活。
3 . 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？
4 . Ilikeit
5 . 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。
6 . Billie Holiday’s作为一个爵士布鲁斯乐杰出歌手的名声建立在能够赋予歌曲感情深度的能力。
7 . Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live
8 . Aretheynice/allright?Yes,theyare/No,theyaren’t
9 . According to anthropologists, the earliest ancestors of humans that stood upright resembled chimpanzees facially, with sloping foreheads and protruding brows
10 . 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。
三年级英语单词句子一至四单元【七】
1 . So many colours !
2 . The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes information derived from other sciences
3 . What are they ? These are your baby pants They’re so small
4 . Elizabeth Blackwell，美国第一个女医生，创建了员工一直为女性纽约诊所。
5 . 在竹子的近七百个品种中，有的全长成还不到一英尺，有的却能在二十四小时内长出三英尺。
6 . 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。
7 . 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。
8 . 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。
9 . This red T-shirt is pretty ( nice / beautiful / !
10 . 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。