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| freedom observing circulating worthwhile behave childhood disturbing output equip entertainment expanding shade outspoken struggled export |
66．She spent yearsobserving and recording their daily activities．
67．Jane has studied these families of chimps for many years and helped people understand how much theybehave like humans．
68．At that time，hunger was adisturbing problem in many parts of the countryside．
69．He therefore gives millions of yuan toequip others for their research in agriculture．
70．Since herchildhood she had wanted to work with animals in their own environment．
71．He is nowcirculating his knowledge in many less developed countries to increase their rice harvests．
72．She has argued that wild animals should be left in the wild and not used forentertainment or advertisements．
73．Everybody sits and waits in theshadeof the trees while the family begins to wake up and move off．
74．He searched for a way to increase rice harvest withoutexpanding the area of the fields．
75．Yuan Longping has another dream：toexport his rice so that it can be grown around the globe．
76．In 1973，he became the first agricultural pioneer in the world to grow rice that has a highoutput．
77．For forty years Jane has beenoutspoken about making the rest of the world understand and respect the life of these animals．
78．Yuan Longping hasstruggled for millions of Chinese farmers for the past five decades．
79．He feels it gives him lessfreedom to do his research．
80．However，the evening makes it allworthwhile．
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