Through the study of these two periods of class, the students should understand the text correctly. The new words should be read fluently. The new words and the expressions in the text should be learnt by heart

Through the study of these two periods of class, the students should understand the text correctly. The new words should be read fluently. The newwordsandtheexpresionsinthetextshoudbeleamtbyheart

Through the study of these two periods of class, the students should understand the text correctly. The new words should be read fluently. The newwordsandtheexpresionsinthetextshoudbeleamtbyheart

Through the study of these two periods of class, the students should understand the text correctly. The new words should be read fluently. The w = new words and the expressions in the text should be learnt by heart

I. Summary Learning behavior of animals varies to the different conditions and can be reinforce by certain repeated conditions. Pavlov called this kind of reaction conditioned reflex. Learning that animals are capable of also has something to do with intelligence, Different species have their own abilities to do different things. The distinguishable difference between man and animals maybe that the latter cannot really speak

Culture is thought to be the thing only humans have. Studies of animals however, show that chimpanzees can make and use tools like man. Monkeys can learn to do something from each other. Apes can even be taught some forms of language. We find that certain animals do culture similar to that of human beings and the line dividing us from them is not as clear as we used to think

I. Summary of the Text Beijing,may5,1998 Intel announces that it will invest US$50 0 million to open an information technology research and development center in Beijing, China The Intel China Research Center will explore Internet-related issue and information technology disciplines. It will improve the fundamental research level in high technology in China and promote the exchange and cooperation between

Today's modern communication technology is quite advanced. It is optical fibers and lasers, together with the striking improvements in computing that have made such remarkable communication possible. By using the telephone-line with expanded capacity, people can send messages not only in the form of sound but also in written words graphs and even moving pictures on the Internet

I.Introduction 1. Introductory Remarks Are there any sounds we cannot hear? Yes But does it mean there is something wrong with our hearing? As a matter of fact, most of us can only hear the sound vibrations that occur within the range of 20 times per second to 20 000 times per second. Those below

The bermuda triangle L. Introduction 1. Introductory Remarks The Bermuda Triangle. also called the Devils Triangle is an area of the Atlantic Ocean off southeast Florida, where the disappearance of ships and airplanes on a number of occasions has led to considerable interest in unexplainable losses and other