您正在看的高中二年级是:Saving the earth。 ugh it.山西平元由流经这里的汾河灌溉.

　　▲ water可用作不及物动词,意为 “流出泪水”. “流口水”

　　The smoke made her eyes water.烟把她的眼泪都熏出来了.

　　The food smells good,it makes my mouth water.这食品味真香,使我都流口水了.

　　▲ clear此处作 “清除”解.

　　7.Much land has either been changed to farmland or used for building.Polluted rivers and lakes have also been a cause of death.许多土地或被变成了农田,或用来造房.污染的河流和湖泊也是动物灭绝的原因.

　　▲ either…or表示选择关系,意为 “或者…或者…”,其连接的语法结构必须相同,如本句连接动词,当其连接名词或代词作主语时,谓语动词采取就近原则.

　　Either the shirts or the sweater is a good buy.买衬衫或买毛衣都是很合算的.

　　Either Tom or his brothers have to shovel the snow.要么汤姆,要么他的兄弟们必须去铲雪.

　　Are either you or I t go now?要么是你走,要么我走,是吗?

　　▲polluted在这里是过去分词作定语修饰rivers and lakes

　　8.One example of an animal in danger is the tiger.There are three types of tiger living in China,the South China, the Northeastern,and the Bengal..老虎就是濒危动物的一个例子,中国的老虎有三种:华南虎,东北虎和孟加拉虎.

　　▲ in danger意为 “在危险之中”,意指处境危险, dangerous是形容词,意为 “危险的”,指给别人带来危险.

　　My father was warned by the neighbors that we were in great danger.邻居警告我父亲,我们处境很危险.

　　The man is a dangerous criminal.此人是个危险的罪犯.

　　He was in danger of losing his life.他有生命危险.

　　It was really very dangerous, you might have injured him seriously…这确实很危险,你可能会伤着他.

　　【注】danger指 “危险”,用于一般概念时是不可数名词,如指具体危险或造成危险的事物,则是可数名词.

　　The young child did not realize the danger of playing on the road.孩子不知道在路上玩耍的危险.

　　That man is a danger to society.此人对社会是一个危险.

　　There is danger in climbing a high mountain.爬山是有危险的.

　　Narrow,winding roads are a danger to drivers.狭窄,弯曲的道路对司机来说是一种危险.

　　The sign says”Danger!”Falling rocks.”那标牌上写着 “危险,石块下落”

　　In all there are probably no more than a total of 400 tigers left in China.Many of the forests where they lived were destroyed.目前在中国留存的老虎总数可能只有400只,它们曾赖以生存的森林有许多已经遭到破坏.

　　▲ in all意为 “总共”, “总的说来”

　　Six boys and two girls,that’s eight in all.六个男孩两个女孩总共八个.

　　There were about 800 people in all.总共有八百多人.

　　In all you’ve done quite a good job.总之,你干得不错.

　　▲no more than后接数词时，作“仅仅”，“只不过”解释，相当于only。

　　He is a boy of no more than five.他只是一个五岁的孩子。

　　I have no more than five yuan.我只有五块钱。

　　【注】no more than 相当于only, not more than相当于 at most”

　　The boats are not more than 45 feet long.这些船至多有45英尺长。

　　9.Also,tigers were hunted and killed until in many areas the entire population had disappeared.而且老虎遭到捕杀，在很多地区已经完全绝迹。

　　▲ 此处population是指动物，即老虎。例 the elephant population in Kenya肯尼亚的大象数。

　　10.In 1900there were about 100,000 tigers in Asia. In 1970 when the shooting of tigers was stopped there were just 5,000 left.在1900年,亚洲大约有10万只老虎,到1970年禁止射杀老虎时,只剩下5000只了.

　　▲the shooting of tigers表示 “射杀老虎”,这里介词 of并不表示所有关系,而是表示动宾关系,主要是与某些表示动作的名词\动名词或形容词连用.

　　It was a waste of money.这是浪费钱.

　　The writing of the letter took me three hours.写这封信花了我三个小时.

　　She listened to his description of Tibet.她倾听他对西藏的描述.

　　They were not very watchful of the traffic lights.他们并不很注意红绿灯.

　　We had to be mindful of every step we took on the slippery path.我们必须当心在泥泞的路上所走的每一步.

　　▲ of也可以表示同位关系,主要是与名词连用.

　　The city of Edinburgh has seen some strange scenes in its history.爱丁堡城经历过历史上的一些奇事.

　　He wrote under the name of Raquel Welch.他用勒戈尔.韦尔什的名字写作.

　　It is the month of May and the flowers are in full bloom.现在是五月,鲜花盛开.

　　In rushed a giant of a French officer.冲进来一个大个子法国军官.

　　She was a mere slip of a girl.Could she do that?她还只是一个小姑娘,能做那种事?

　　11.In India,however,the population of tigers has increased from 2,000 in 1972 to about 5,000 in 1989.Perhaps the same progress can be made in China.然而,在印度老虎的数量增加了,1972年有2,000只,1989年增加到了5,000只.也可能取得同样的进展.

　　▲ make progress表示 “有进展”, “进步”, “好转”.

　　①I am glad that you are making so great a progress in English.你在英语方面取得这么大的进步我很高兴.

　　②During these years the labour movement of the United States has made great progresses.这些年来,美国的工人运动已取得巨大进展.

　　The disease makes rapid progress.病情好转得很快.

　　Jane is still sick in hospital,but she’s making progress.简有病仍在住院,但她正慢慢好起来.

　　They were making slow progress with the construction of that new road.他们在建造新路上进展缓慢.

　　Are you making any progress with your report?你的报告有进展吗?

　　【注】progress作 “进步”, “进展”解释时,是不可数名词,但有时前面可带a,或用复数.如例句 ①②,表示 “在…方面有进展”, 用介词 with

　　12. Last Monday our class went on an organized trip to a forest to study the wildlife.We travelled by bus.It took us two and a half hours to get to the forest.上星期一,我们班进行了一次有组织的旅游,到森林里去研究野生生物.我们坐公共汽车去的,到森林去花了我们两个半小时.

　　▲trip 前面常与on连用.例 go on a trip,be on a trip,后面接to,around,for,of等介词短语.

　　Some students in Class Two have gone away on a short trip.二班有些学生外出作短途旅行去了.

　　The Smiths are planning to go on a trip to