题目

如图表示番茄植株(HhRr)作为实验材料培育新品种的途径。请据图分析回答下列问题: (1) 若育种的目的是尽快获得基因型为hhrr的个体,图中最简单的操作是途径(填序号);若育种的目的是尽快获得基因型为HHRR的个体,图中最快速的是途径(填序号). (2) 一般来说,杂交育种过程中通常从 开始选种的原因是. (3) 品种A与途径3中幼苗基因型相同的概率为;品种C与B是否为同一个物种?(填“是”或“否”),原因是. 请认真阅读下面短文,并根据各题所给首字母的提示,写出一个合适的英语单词完整、正确的形式,使短文通顺。Have you ever had an experience where you meet someone new, learn their name and think to yourself, “Wow, they really look just like their name!” What does this mean, exactly? S【1】 are suggesting that humans tend to associate (使发生联系) people’s names with their appearance, and can e【2】 guess someone’s name based on how they look.Researchers at the Hebrew University c【3】 thousands of photos of people’s faces. They labeled (贴标签)each photo with four names. Then, they asked volunteers to guess which of the four names was c【4】.The volunteers were able to guess the right name 38 % of the time. It seems that humans can m【5】 a certain face with someone’s name by given clues.However, this only w【6】 when we’re looking at names within our own culture. In addition, It’s d【7】 for all the volunteers to guess the real names of people who use nicknames more often than their real names. This shows that a person’s appearance is affected by their name only if they use it o【8】.The researchers believe people tend to think that men named Bob shouldn’t have a square or long face because the word itself looks r【9】 . Moreover, people may think that women named Rose are b【10】.
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