That arn computer well is important.
时间：2018-12-30 作者：英语课 分类：自考英语（一）78讲
本讲为2006年下半年新的教学内容，请对照讲义听声音！
Students(researcher/scholar) of Nature are not satisfied 1 with guessing, but they observe, day after day, the changes which take place in an object; and they see many things which most people would fail to see. And thus they have found that the real difference between plants and animals lies in what they do, and not in what they seem to be.
We now know that about one fourth of all the kinds of seaweed are animals. A few years ago all of them were classed as plants. It was long supposed that the main difference between animals and plants was that the former could move about while the latter could not. But this difference will not hold good.(established)
How then are we to know whether a living object is a plant or an animal? plants can live on inorganic 2 matter; they have the power of changing earth and air and water into substances 3 which enter into and become a part of themselves. Animals can live only on what plants have already turned from inorganic to vegetable matter. Animals, although they need some inorganic food, cannot live on it alone.
All the food that keeps our bodies strong, or makes them grow, was once in the vegetable form. No bird nor fish nor other animal could ever have lived on this earth, if the plants had not come first and fitted it for the dwelling 4 place of a higher order of beings.
plants are the true fairies that are forever working wonders around us. Their roots dig 5 down into the earth and gather its treasures. Their leaves spread their broad surfaces to the air and take in its riches; and out of what they have thus gathered they produce the beautiful flowers, the delicious fruits, and the golden 6 grain.
That arn computer well is important.
That we learn computer well is important.
I like the computer that my mum bought me on my birthday.
Three fourths
one third----two thirds
Human beings
I had learned 7 5000 words by the end of last year.
The plane had already taken off when I got to the airport.
- She's never satisfied with what she's got. 她对自己的所得从不感到满足。
- He had a self-satisfied smirk on his face. 他脸上挂着得意扬扬的笑容。
- The fundamentals of inorganic chemistry are very important.无机化学的基础很重要。
- This chemical plant recently bought a large quantity of inorganic salt.这家化工厂又买进了大量的无机盐。
- substances with high levels of toxicity 毒性大的物质
- Many highly corrosive substances are used in the nuclear industry. 核工业使用许多腐蚀性很强的物质。 来自《简明英汉词典》
- Those two men are dwelling with us.那两个人跟我们住在一起。
- He occupies a three-story dwelling place on the Park Street.他在派克街上有一幢3层楼的寓所。
- It is difficult to dig the ground when it is frozen.地面冻住了就不易挖掘。
- In those days we often went to dig for wild vegetables.那时候我们常常出去挖野菜。
- My teacher is an Englishman with golden hair.我的老师是一个金黄色头发的英国人。
- It's a balmy evening,the golden time for lovers.这是一个暖和的夜晚，是恋人们的黄金时光。