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{{B}} Adaptation of Living Things{{/B}} Certain animals and plants develop characteristics that help them cope with their environment better than others of their kind. This natural biological process is called adaptation. Among the superior characteristics developed through adaptation are those that may help in getting food or shelter, in providing protection, and in producing and protecting the young. That results in the evolution of more and more organisms that are better fitted to their environments. Each living thing is adapted to its way of life in a general way, but each is adapted especially to its own distinct class. A plant, for example, depends upon its roots to fix itself firmly and to absorb water and inorganic chemi A. to frightened its enemies. B. to attract its enemies. C. to adjust its body heat. D. to match its environment. 查看答案 更多"下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳"的相关试题: [单项选择] 下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。 第一篇 A Society Without a Formal Authority In the seventeenth century, European soldiers who came across some Indian groups in the western Great Lakes found that several native tribes (部落) were living in the area without a formal leadership system. They appeared to be "quite friendly with each other without a formal authority Not only did the Indians appear to lack a formal system of authority, but they also deeply hated any efforts to control their actions. All members of the tribes knew what was required of them by lifelong (一生的) familiarity with the tasks of the area. These tasks tended to be simple, since the Indians’ rate of social change was slow. Thus, although subgroups such as soldiers had recognized leaders, no real authority was required. Rather than giving 查看答案 [单项选择] 下面有3篇短文，每篇短文后有5道题，请根据短文内容，为每题确定1个最佳选项。 {{B}}第一篇{{/B}} Common Problems, Common Solutions The chances are that you made up your mind about smoking a long time ago — and decided it’s not for you. The chances are equally good that you know a lot of smokers — there are, after all about 60 million of them, work with them, and get along with them very well. And finally it’s a pretty safe bet that you’re open-minded and interested in all the various issues about smokers and non-smokers — or you wouldn’t be reading this. And those three things make you incredibly(难以置信地) important today. Because they mean that yours is the voice — not the smoker’s and not the anti-smoker’s — that will determine how much of society’s efforts should go into building walls that separate us and h A. Anti-smoking propaganda. B. Diseases striking nonsmokers as well as smokers. C. Rules and regulations that prohibit smoking. D. Separation of smokers from nonsmokers. 查看答案 我来回答: 提交 最新试题 ●    [单选题]麻醉前用药的目的不包括:( ) ●    [单选题]阿托品作为麻醉前用药，错误的是： ●    [多选题]麻醉前用药的目的包括 ( ) ●    [单选题](0.5分)下列哪一项不是麻醉前用药的目的 ●    [单选题]麻醉前用药的目的表述错误的是 ●    [单选题]在报定用法扬斯法测定可常性卤化物时，不属于测定条件控制应涉及的问题是(). 网站地图 我要搜题网  版权所有  ©2023  湘ICP备18016427号   购买搜题卡查看答案 [会员特权] 开通VIP， 查看 全部题目答案 [会员特权] 享免全部广告特权 推荐91天 ¥36.8 ￥80元 31天 ¥20.8 ￥40元 365天 ¥88.8 ￥188元 请选择支付方式 微信支付 支付宝支付 点击支付即表示同意并接受了《购买须知》 立即支付 系统将自动为您注册账号 已有账号登录 找回账号密码 请使用微信扫码支付 订单号： 请不要关闭本页面，支付完成后请点击【支付完成】按钮 支付完成 取消支付 恭喜您，购买搜题卡成功 系统为您生成的账号密码如下： 账号 密码 重要提示：请拍照或截图保存账号密码！ 我要搜题网官网：https://www.woyaosouti.com 我已记住账号密码