A. But what can I do? B. We get a lot of paper at home. C. You'd better clean your room every day. D. Turn off the shower. E. Can I help you? F. And fifth, take a bag when you go shopping. G. That will save money, too. |
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International Polar Bear Day is Feb 27. Climate change harms polar bears because they depend on sea ice to hunt, produce babies and travel. Every ten years, the arctic (北极的) sea ice has declined (减少)at a rate of 13%. | Over 2/3 of the world's polar bears are found in Canada.![]() Polar bears can walk more than 3, 000 km each month. An adult male can weigh over 600 kg. | |
![]() | How can we help polar bears? | |
![]() | Reduce your carbon footprint (碳足迹). It helps to reduce climate change's effect on polar bears. | |
![]() | Support action groups that protect them. | |
![]() | Learn more about the difficult situation of polar bears. | |
![]() | Support co-friendly tourism to polar regions (极地) too see them. |
Information about memory | ||
(1) | ●Immediate memory:It holds information for less than a second. ●Short-term memory:It holds about seven items of information at a time. ●Long-term memory:It holds information for the whole of our lives. | |
How to improve your memory | Exercise your brain | ●Do new things. ●Change (2) . |
(3) | ●Have a balanced diet. ●Have enough time to rest. If you (4) every night, you will not remember things well. | |
Stay relaxed | (5) , or your brain will slow down. |