题目内容
结构静力试验加载分级是为了控制加载速度。
查看答案
搜索结果不匹配？点我反馈
更多问题
“学生干部都要起模范带头作用，我不是学生干部，所以，我不要起模范带头作用。”下列与其推理形式相同的是（ ）。
小张在机关食堂用餐，发现青菜里有条虫子。她要求食堂管理员道歉，对方拒绝了，说：“青菜里有虫子，正说明没使用过农药，是绿色食品。”假如管理员的话确系事实，那么你认为（ ）。
在无线局域网中，AP的作用是（69）。新标准IEEE 802．11n提供的最高数据速率可达到（70）。 69（）
Animals seem to have the sense to eat when they are hungry and they do not eat more than their bodies need. It has been demonstrated that rats will, when given a choice over a period of time, prefer water with vitamins to water without vitamins even though there is no difference in taste or smell between the two water bottles. When a fragrant flavor was added to the vitamin-enriched fluid, the rats did seem to develop a taste for it and kept drinking it, even after the vitamins were switched to the clear water. In time, however, they broke the habit and went back to where the necessary vitamins were.In a classic experiment, babies of 6 to 12 months old were placed in a cafeteria feeding arrangement, with a wide selection of baby food before them. They were given whatever food they pointed to or appeared interested in, We are told that at first they showed some unusual eating patterns, but that over a period of time they managed to select well-balanced diet.So, in selecting food, rats and babies do seem to know and act on what’s best for them. Apparently, there is a kind of "body wisdom", which humans soon lose. Most of us do not eat as wisely as we could. Many of our food preferences are culturally determined and influenced by long-established habits. Some people eat foxes, dogs and blackbirds, while we eat cows and pigs. So what people eat and how much they eat seems to be greatly influenced by what is going on around them. In the experiment on rats, a fragrant flavor was added to the rat’s drinking water to （）
微信支付 
支付宝支付