英语外研版四上单词和句子（英语外研版9上单词表）
英语外研版四上单词和句子【一】
1 . 火车 train
2 . incision n切割，切开，切口
3 . 二叉查找树 binary search tree
4 . indictment 控告
5 . adversity 逆境
6 . 听起来 sound
7 . rebellion 反叛
8 . 散列查找 hash search
9 . instruction 教导
10 . 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
英语外研版四上单词和句子【二】
1 . popularity 普及；流行
2 . Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact
3 . What they gave is more than help; they gave us the confidence to live through hard times
4 . hardship 艰难险阻
5 . 匹配 matching
6 . 起立 stand up
7 . Since the consumer considers the best fruit to be that which is the most attractive, the grower must provide products that satisfy the discerning eye
8 . architecture 建筑
9 . 说 talk
10 . 路；道 way
英语外研版四上单词和句子【三】
1 . computer on your wrist,in your car ,or in the washing machine, we need to be more exactWhat you have on your desk is really a PC
2 . homicide n杀人，杀人者
3 . 满二叉树 full binary tree
4 . 工作 work
5 . 星期三 Wednesday
6 . Over a very large number of trials, the probability of an event’s occurring is equal to the probability that it will not occur
7 . （狗）摇尾巴 wag its tail
8 . circuit 电路,线路
9 . latency time 等待时间
10 . One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected
英语外研版四上单词和句子【四】
1 . Since about ,the time that the first IBM PC was introduced,the term PC has
2 . 吃 eat
3 . The elimination of inflation would ensure that the amount of money used in repaying a loan would have the same value as the amount of money borrowed
4 . RAM：Random Access Memory，随机存储器，即人们常说的“内存”。
5 . ·Jumper：跳线(短路端子
6 . 数组 array
7 . signal 信号
8 . I find young people exciting They have an air of freedom, and they have not a dreary commitment to mean ambitions or love comfort They are not anxious social climbers, and they have no devotion to material things
9 . 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。
10 . drum 磁鼓
英语外研版四上单词和句子【五】
1 . It is the interaction between people, rather than the events that occur in their lives, that is the main focus of social psychology
2 . 出租汽车司机 taxi-driver
3 . journalist/correspondent 记者
4 . decision n决定，决心，决议，结果，果断，坚定
5 . 他们选择吉日订婚。
6 . 我很高兴他不是像你说的那么坏。
7 . 太阳 sun
8 . There is only one difference between an old man and a young one: the young man has a glorious future before him and old one has a splendid future behind him: and maybe that is where the rub is
9 . self-respect/self-esteem 自尊心
10 . We will soon be out of the red。
英语外研版四上单词和句子【六】
1 . 蔬菜 vegetable
2 . 想 think
3 . 乘坐 take
4 . 英语 English
5 . analyst 分析员
6 . 每个;所有的 every
7 . Because the term PC is strongly associated with IBM types of equipment,Macintosh owners like to disassociated themselves from itThey call their computers Macs even though Macintosh computers are just another type of Pc
8 . contentment 满意；满足
9 . 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
10 . 非常 very
英语外研版四上单词和句子【七】
1 . 工程师 engineer
2 . 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？
3 . acqaintance 熟人
4 . ·format：“硬盘扇区格式化”-DOS指令之一
5 . 商店 shop
6 . protocol 协议
7 . ·CPU Fan：中央处理器的“散热器”(Fan
8 . art 艺术
9 . profession/occupation 职业
10 . 子串 substring
英语外研版四上单词和句子【八】
1 . 甜的 sweet
2 . ·MODM：数据卡或调制解调器Modem
3 . 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
4 . infrastructure 基础设施
5 . ·UPS：不断电系统
6 . binary digit 二进制位,二进制数字
7 . What is A Computer?
8 . 一个国家的主要食物是什么，大体取决于什么作物在其天气和土壤条件下生长得最好。
9 . decision 制定
10 . 窗户 window