Many people believe that bicycle is a healthy and environmentally friendly mode of transport. However, it is no longer the main form of transport. What are the reasons? What could be done to encourage the use of bicycles among the wider population? Give reasons for your answer and include an...
Father of Hybrid Rice Yuan Longping spent all his life researching rice. Besides, farmers work so hard on the farm so that we can have enough food to eat. Also, nowadays many people in the world are hungry.
I can easily access information and communicate with people from all over the world. However, it has also made me more dependent on it. If I didn't have access to technology, my daily life would be much more difficult. I would have to manually perform many tasks and my communication ...
There are many ingredients inmedicine. It contains elements that can heal people, it will contain elementsthat harm people as well. That’s why there’re always side effects listed on theinstructions. What we can do is to read the instructions carefully and followdoctors’ preion strictly. If ...
With the rapid development of science and technology, we don’t know how different our life will be in the future.1. At first we think about human relationships. In the year 2050, we will use computers almost every day. We will be making new friends through the Internet — even our hus...
public facilities available to all, and a reduced quality of life for many. Take swimming pools. While in 1950, only 2, 500 U.S. families owned pools, by 1999 this number was 4 million. At the same time, public ...
Many people believe smart ma-chines are necessarily correct and objective, but ma-chines are trained through a repeated testing and scoring process. In the process, human beings still de-cide on the correct answers.Another problem relates to the ease of accessinginformation. When there were no ...
Livescience 美国生命科学网 Econotimes《经济时报》 THE Healthy网站 REUTERS 路透社 ABC News (美国)ABC新闻 Today I Found Out 趣事知识分享网站 选词填空 (一) 题目1 You probably haven't taken the time to think of all the...
“Truth in science can be defined as the working hypothesis best suited to open the way to the next better one. It is a good morning exercise for a research scientist to discard a pet hypothesis every day before breakfast. It keeps him young." ...
Everybody has a brain, but notmany people know how the brainworks. Some people believe that thebrain is like the hard disk of acomputer. We use it to store files,pictures, language(words, texts, sounds) and so on. Otherscompare the brain to a huge cupboard with lots of shelvesand boxe...