如图甲、乙所示装置是研究“电热与哪些因素有关”的实验，两个透明容器中密封着等量的空气．U形管中液面高度的变化反映密闭空气温度的变化，进而反映电流产生热量的多少．

（1）甲图探究的是电热与____ 关系的实验．通电一段时间后，比较两个U型管中液面高度的变化，通过分析实验现象，得出的实验结论是____ ．

（2）乙图中两个封闭容器中的电阻大小都是5Ω，通过它们的电流____ （选填“相等”或“不相等”），通电一段时间后，比较两个U型管中液面高度的变化，得出的实验结论是____ ．

读图“不同天气系统过境前后气压变化示意图”，其中表示台风及沙尘暴过境前后的曲线分别是（　　）

根据下列短文，在短文后的空格处填上一个恰当的词，使短文完整、通顺。
Reading is an activity that people enjoy a lot in their free time.
Some like reading newspapers and ____  enjoy novels or comic books. My ____  books are those about the lives of great people. Reading them always ____  me a lot of ideas on how to make my own life better.
Great people are remembered not ____  they were handsome or beautiful, but because they did not give up ____  their lives were difficult. They tried to use every chance to change their lives and make the world better.
One good example is Orville and Wilbur Wright, the two brothers who invented the ____ . The plane has made the world into a small village. Hard work, not good luck, is the ____  why the Wright brothers could ____  this convenient machine and become great people. Today we will remember them when we see planes ____  the sky.
Whenever I read stories about great people, I always ____  a lot from them and they encourage me to move forward.
This is why I enjoy reading about great people’s lives.