阅读下面材料，在空白处填入适当的内容或括号内单词的正确形式。

    When I was young, my parents and I ____(move) to New York from China. Although we now live in the US, we follow the customs and ____ (tradition) of China. I have learned to speak several languages, English ____ (include). I eat all kinds of foods and celebrate different holidays ____ have something to do with culture.

    However, there ____(be) many disadvantages of being part of two cultures. Sometimes, speaking a language at home ____ speaking another language in school can get confusing. Sometimes, I have trouble ____ (express) my thoughts in English because they don't understand me well. Sometimes, my culture does make me feel far away from others because I feel too ____ (difference).

    I am closer to the culture of China than that of the US. I don't listen to English music as ____(frequent) as I listen to Chinese music. Therefore, I feel very far away ____ my friends when I don't know what song they talking about.

读世界板块的分布图，回答：

下列地区地壳较为稳定的是 （   ）

是什么外在因素促使早期灵长类进化出了特殊的性征，即它们带手指的前肢。科学家给出了一个出其不意的答案：①____。开花植物进化出更大、更鲜美的果实，②____；而作为回报，这些灵长类动物频繁地为植物传花授粉——它们吞食植物果实后，将种子四处播撒，使得这些植物非但没有灭绝，③____，甚至衍生出了新种。就这样，灵长类动物进化出了可以抓握的手。

如图，OP平分∠MON，PA⊥ON于点A，点Q是射线OM上一个动点，若PA=3，则PQ的最小值为（　　）