WARM-UP AND COOL-DOWN STRETCHES ______________. A. ARE NEEDED BEFO...

45. Warm-up and cool-down stretches ______________. A. are needed before you do aerobic exercise B. help you finish exercising feeling better C. should be done if you want to avoid muscle injuries D. prevent muscles from burning calories. B. Choose the best answer to fit each blank: The World Wide Fund for Nature (WWF) is an international non - governmental organization for the conservation, research, and restoration of the environment. The organization was (46) _______ as a charitable trust on September 11, 1961, in Morges, Switzerland, under the name World Wildlife Fund. It was an initiative of Julian Huxley and Max Nicholson. It is the world's largest independent conservation organization with over 5 million (47) ________ worldwide, working in more than 90 countries, supporting 100 conservation and environmental projects around the world. It is a charity, with (48) _______ 9% of its funding coming from voluntary donations by private individuals and businesses. The group says its mission is "to halt and reverse the (49)________ of our environment". Currently, much of its work focuses on the conservation of three biomes that contain most of the world's biodiversity: forests, freshwater ecosystems, and oceans and coasts. Among other issues, it is also concerned with endangered species, pollution, and climate change. The organization (50) _______ more than 20 field projects worldwide. In the last few years, the organization set up offices and operations around the world.