问题
单项选择题
物体色彩关系变化的三个因素为：固有色、（）、光源色。
A、环境色
B、对比色
C、明暗色
D、感官色
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
物体色彩关系变化的三个因素为：固有色、（）、光源色。
A、环境色
B、对比色
C、明暗色
D、感官色
参考答案：A
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| One of the most important ways to help plants and animals is to protect their habitats (栖息地). There they can live 1 too much interference (干涉) from humans. It is also important to 2 habitats outside reserves. You can visit a nearby national park or a(n) 3 reserve. Some national parks have 4 guided tours. Talk to the rangers (护林员) to find out whether animals are in danger and 5 people protect them. For example, you and your friends 6 help the rangers with their work. If you have friends on farms, 7 them to keep patches (小块地) of bush as wildlife habitats and to leave old trees standing, especially those with hollows (洞) suitable for nesting animals. Some groups 8 local lands and nature reserves. They do this by removing weeds and planting local native species in their places. You could join one of these groups, or 9 start a new one with your parents and your friends. Remove rubbish and replant trees; all these will also encourage native animals to 10 . | ||||
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