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没有英语基础怎么学英语 lit it,and sang"happy birthday to me" at the top of my voice. A few days later,I was moving forward over a slope that seemed safe situation and make sure that all Australian are treated with the respect that they deserve. Many improve new laws have been passed and special council was set up in 1991 to address issues of equality and rights. The country is now heading for a future where cultural diversity is appreciated and celebrated. Working together as one people, Kooris and other Australians hope to heal the wounds of history and build a society where all members are truly equal. Unit 4 Green Worlds READING THE BIRTH OF A SCIENCE Before the eighteenth century, botany was merely a branch of medicine. Unit then, mostly doctors and surgeons studied herbs. Attempts had been made by others to classify plant species into groups, but the breakthrough came with the work of Carl Linnaeus. Showing how plants were related was a complex and strange thing before Linnaeus developed his system. The idea to give each species two names was not new, but names were not truly fixed and accepted. Some scientists classified plants into herbs and trees, or according to the shape of the fruit, or whether they had flowers or not. But Linnaeus’ idea of grouping plants in families was unique. In his system the identification of different species was based on the arrangement of the male and female organs in the flowers. As a result, fruits such as peaches and pears are in fact related, although they are different at first sight. Linnaeus’ system soon conquered the world. In 1759, Linnaeus’ student, Daniel Solander, traveled to England to promote the new system. In London, Solander developed a lifelong friendship with Joseph Banks, when suddenly,without warning,my world dropped out from under my skis. I had fallen into a hole and was hanging on the ropes tied to the sled. A piece of ice fell down and I never heard it land. The bottom was a few hundred feet below. I used to practise self-rescue many times in the mountains where I live and carefully began climbing out. It took a long time but I finally got out. I was thankful for all the training I had had. I was in good health and all of my equipment was working well. I was so optimistic that I decided that the next day, the 22nd day of the expedition,I would increase my workday to 12 hours. The next morning I had a bad accident with the sled and hurt my leg. I couldn't stand on my left leg and my head was woozy from hitting the ground. But I knew that I had to get up.Lying on the ice,I would soon die. I struggled to my knees, knowing that somehow,I had to put my tent up for shelter. On hands and knees I got the tent up and dragged my sleeping bag into the tent and lay down out of the cold wind. I had to make a decision. Wait to get better or give up? I had to think of my family,which is very important to me,and do the right thing. I did so without regret, I had met the challenges of solo travel in an extreme climate. It is experience I shall never forget and shall value for the rest or my life. Integrating skills Reading and writing Oprah Winfrey Oprah Winfrey is not just a very successful TV personality in the US. She is also a woman who has inspired millions. 一个普通的动作练习要求学生们想象成他们是一棵树, 一朵云,一朵海浪. 学生们被要求闭上眼睛, 集中精力在他们选的物体上面. 用他们的身体现出那个物体像什么? 老师要求学生考虑一个普通的话 然后列出情节或相应的动作是有关于这个话题的. 例如,如果话题是关于友好的, 学生们就列出"握手","笑声""会见"等等. 然后他们构造相应的环境和做出相应的动作. 我的儿子帮我放风筝. 风筝在下雨的空中飞得很高,但什么事情也没有发生. 我开始想这次实验要失败了. 正在此时,我看到细绳上的一些毛发竖了起来. 细绳带电了! 我把自己的手指靠近钥匙 能感到轻微但很明显的电击. 细绳上的其他细毛在风筝线被打湿之前也随之立了起来, 这样我就能够把大量的电收集在电容器中. 这次实验证明了闪电和电 是一回事. 要做这样的实验你需要四件东西: 一个风筝,一个钥匙,恶劣的天气和一个采集并贮存电的电容器. 大多数风筝都是纸做的, 但是丝绸做的风筝 在暴风雨的天气中能够持续使用更长的时间. 这样先搭起一个风筝框架. 用两根很轻的小木条做成一个小十字架, 两根木条的长度应该足以够到手绢的四角. 把手绢的四角系在十字架上, 这样你就可以做成一个很好,很结实的风筝. 给风筝的框架加上一个尾巴, 在十字架上系上一个长细以便你控制风筝. 接下来的三个步骤十分重要. 练习本 16单元