Climate is the average weather usually taken over a 30-year time period for a particular region and time period. Climate is not the same as weather, but rather, it is the average pattern of weather for a particular region. Weather describes the short-term state of the atmosphere (大气). The climate is changing. Many agreed that climate change may be one of the greatest threats (威胁) facing the planet. Recent years show increasing temperatures in various regions, and/or increasing extremities (极端性) in weather patterns. Is the Earth getting warmer? Yes! The Earth has warmed by about 1°F over the past 100 years. But why? Well, scientists are not exactly sure. The Earth could be getting warmer on its own, but many of the world’s leading climate scientists think that things people do are helping to make the Earth warmer. Global Warming may be a big problem, but can you make a difference? Yes! There are several little things you can do to make a difference. Try carpooling. This will help reduce the amount of fossil fuels going into the atmosphere. Whenever you use electricity, you help put greenhouse gases into the air. Turn off lights, the television, and the computer when you are through with them. Also, planting trees is fun and a great way to reduce greenhouse gases. Trees absorb carbon dioxide, a greenhouse gas, from the air. Finally, don’t forget about recycling. 小题1:Climate is         weather. A．the same as B．different from C．a kind of D．part of 小题2: The Earth has warmed by about 1°F over the past 100 years         . A．only because of human activities B．but scientists are not exactly sure of the reasons. C．and we can do nothing to it. D．and it’s getting warmer on its own 小题3:Global Warming may be a big problem, but we can do the following things to make a difference except          . A．carpooling B．saving electricity C．cutting down more trees D．recycling 小题4:What can be the best title of the article? A．Climate and weather. B．Weather and climate changing. C．Climate changing and global warming. D．Weather and global warming.