概念

imple petition for a fixed amount of food determined by the physical environment, because the environment that determines our evolution is no longer essentially physical. Our environment is chiefly

an after it throwing ashtrays and vases, but it was impossible to stop the thieves. They had got away with thousands of pounds worth of diamonds. 皮卡 迪利大街附近的一 条 著名拱廊街道上，几家高 档 商店 刚刚开 始 营业。 在早晨的 这个时 候

锻炼而进行比赛。 可是一量涉及到荣誉问题，一旦你想到你和某一团体会因为你输而丢脸时，那么最野蛮的争斗天性便会激发起来。 即使是仅仅参加过学校足球赛的人也有种体会。 在国际比赛中，体育简直是一场模拟战争。 但是，要紧的还不是运动员的行为，而是观众的态度，以及观众身后各个国家的态度。 面对着这些荒唐 的比赛，参赛的各个国家会如痴如狂，甚至煞有介事地相信 至少在短期内如此 跑跑、跳跳

Its his Whose is this suit Its my fathers. Its his Whose is this skirt Its my mothers. Its her Whose is this blouse Its my sisters. Its her Whose is this tie Its my brothers. Its his Whose is this

itor 选校网 高考频道 专业大全 历年分数线 上万张 大学图片 大学视频 院校库 选校网 专业大全 历年分数线 上万张大学图片 大学视频 院校库 n. 编辑 extreme n. 极端 statistics n. 统计数字 journalist n. 新闻记者 president n. 总统 palace n. 王宫；宏伟的住宅 publish v. 出版 fax n. 传真

hey are（挃复数皀物）。 句中皀 are 和 is 一般 应重读。 4．非省略形式和省略形式乊间皀兲系： it is not = it isn39。 t = it39。 s not。 5．数字 30 皀英文写法： 30 — thirty 语法 Grammar in use 1．以疑问词 whose 引导皀特殊疑问句 （ 1）用来询问所有兲系。

advent of winter 在冬天到来的时候 at the advent of 在 „ 到来的时候 since the advent of 自从 „ 的到来 ■ agriculture n. 农业 ■ assumption n. 假定，设想 ■ dot n. 小圆点 ■ symbol n. 符号 ■ engrave v. 雕刻 ■ ivory n. 象牙制品 ■ mammoth n.

rs. This simple truth was demonstrated rather dramatically during a civil defence exercise in a small town in Canada. Most of the inhabitants were asked to take part in the exercise during which they

very thin. 3 Look at that policeman. He39。 s very tall. 4 Look at that policewoman. She39。 s very short. 5 Look at that mechanic. He39。 s very dirty. 6 Look at that nurse. She39。 s very clean. 7 Look

the exercise during which they had to pretend that their city had been bombed. Airraid warnings were sounded and thousands of people went into special airraid shelters. Doctors and nurses remained