一理想变压器给负载供电，变压器输入电压不变，如图所示．如果负载电阻的滑动片向上移动，则图中所有交流电表的读数及输入功率变化情况正确的是（均为理想电表）（   ）

在开辟新航路的过程中发现了新大陆的历史人物是（    ）

已知条件p：$x^2-3x-4\le 0$；条件q：$x^2-6x+9-m^2\le 0$，若p是q的充分不必要条件，则m的取值范围是（   ）

唐朝时，六次东渡日本，讲授佛学理论，传播博大精深的中国文化，为中日友好交流作出重要贡献的僧人是（    ）

阅读下面材料，在空白处填入适当的内容（填词个数 由所需词形决定）或括号内单词的正确形式。

    It is the Thanksgiving Day . I have the strong desire to write about something to express my thanks to the people around me.

    I ____ (bring up) by my grandparents ____ are as kind and hardworking as thousands of Chinese peasants in a distant village. They worked in the field all day long and took good care of me as well.

    ____ (Honest) speaking, my parents are ordinary people. But I must say that they are great educators, ____ they educated me to be an independent and ____ (use) man to society.

    My teachers, selfless, generous, devote themselves to ____ (help) each individual student achieve his/her ambition.

    Meanwhile, I can share my happiness and ____ (sad) with my peer students .I am happy to be with them because we have much ____ common.

    I am ____ luckiest and happiest person with all these loved ____ (one) around.