高中必修一 · 第 4 课
蓝天之外 Beyond the Blue Sky
自从春天加入了天文社，四个小伙伴就一直在仰望星空。今晚，他们等到了那枚载着梦想的火箭发射的时刻。
📖 20 个单词📄 366词长文📝 5+12 题
1本课单词
2课文精读：蓝天之外 (Beyond the Blue Sky · 约366词)
自从春天加入了天文社，四个小伙伴就一直在仰望星空。今晚，他们等到了那枚载着梦想的火箭发射的时刻。 读课文，先自己理解，再点 🔊 听朗读。
Beyond the Blue Sky
The astronomy club has been watching the sky since spring. Every clear night, the four friends climb to the school roof with their telescopes, notebooks and a map of the stars. They have been recording the movements of planets and the lights of passing satellites, and their charts are already two notebooks thick. Tonight is special, though: a new rocket will be launched from the space centre, carrying a communication satellite into orbit.
天文社从春天起就一直在观测天空。每个晴朗的夜晚，四个朋友都会带着望远镜、笔记本和星图爬上学校楼顶。他们一直在记录行星的运行和过境卫星的光点，图表已经攒了厚厚的两本。不过今晚很特别：一枚新火箭将从航天中心发射，把一颗通信卫星送入轨道。
The students arrived at the roof two hours early. 'We have been waiting for this night for a month!' Jack said, adjusting his camera. At exactly 9:30, a bright light appeared on the horizon. The rocket rose slowly at first, then faster and faster, leaving a long white tail in the dark sky. For a full minute, nobody spoke; they just watched, their eyes shining with excitement. The satellite signal came through clearly on their radio, and everyone cheered.
学生们提前两小时就来到了楼顶。“我们为这个夜晚等了一个月！”杰克边说边调相机。九点半整，地平线上出现一道亮光。火箭起初缓缓上升，然后越来越快，在夜空中留下一道长长的白尾。整整一分钟，没有人说话；他们只是看着，眼睛闪着兴奋的光。卫星信号清晰地传入他们的收音机，所有人都欢呼起来。
The next day, Cozy explained the science behind the launch. 'Scientists have been exploring space for more than sixty years,' he said. 'Every satellite is full of equipment and technology. It takes a whole system of engineers, computers and ground stations to send one rocket into space, and every step must be checked again and again.' The students were amazed to learn that a single launch could cost as much as a small city.
第二天，Cozy 解释了发射背后的科学。“科学家们探索太空已经六十多年了，”他说，“每一颗卫星都装满了设备和技术。把一枚火箭送入太空，需要工程师、计算机和地面站组成的完整系统，每一步都必须反复检查。”得知一次发射的花费堪比一座小城市，学生们惊叹不已。
But space exploration is not only about rockets. The club's project this term was to study how satellites help us on Earth. They discovered that weather satellites predict storms, communication satellites connect villages in the mountains, and navigation systems guide ships across the ocean. 'The risks are real,' Cozy said, 'but so is the potential. Every theory, every method, every steady step forward brings us closer to the stars.'
但太空探索不只是火箭。天文社这学期的项目是研究卫星如何帮助地球上的我们。他们发现，气象卫星预测风暴，通信卫星连接山区的村庄，导航系统为远洋航行的船只指引方向。“风险是真实的，”Cozy 说，“潜力也是真实的。每一个理论、每一种方法、每一小步稳健的前进，都让我们离星辰更近。”
That night, Li Lei wrote in his journal: 'Tonight I saw a rocket climb into the sky, and I understood what a goal really is. It is not a dream you wait for; it is a direction you walk towards, step by step.' He looked at the stars and smiled. Somewhere up there, the satellite was already flying, and somewhere in his heart, a smaller rocket had just been launched too.
那天晚上，李雷在日记里写道：“今晚我看到火箭升空，我明白了目标究竟是什么。它不是等待的梦想，而是你一步一步走向的方向。”他望着星空笑了。在头顶某处，卫星已经飞了起来；而在心里某个地方，一枚小小的火箭也刚刚发射。
📖 读后理解（0/5）
1. How long have the students been watching the sky?
2. What was launched that night?
3. How long did nobody speak during the launch?
4. What do weather satellites do according to the passage?
5. What did Li Lei write in his journal about a goal?
3语法小课堂：现在完成进行时（深化）
现在完成进行时
have / has + been + doing
表示从过去持续到现在且可能继续：Scientists have been exploring space for years. （科学家们探索太空已经多年。）
与 for + 时间段 / since + 时间点 / all day 等连用。
也可表示刚刚结束且对现在有影响：My eyes are tired because I have been reading. （我眼睛累，因为我一直在看书。）
⚠️ 与现在完成时区别：强调持续用完成进行时，强调结果用完成时。
现在完成进行时 vs 现在完成时
have done vs have been doing
I have written three pages. （结果：已经写完三页。）
I have been writing all morning. （持续：写了一早上，可能还没写完。）
延续性动词两者常可互换，但完成进行时更强调不间断。
⚠️ 表示到目前为止做了多少次、多少量，用完成时，不用完成进行时。
👨🏫Cozy 老师说：高中语法重在「在语境中理解」——多读课文里的例句，语法自然就活了。
4课后练习（0/12）
1. Scientists ___ space for more than sixty years.
2. The students ___ for the launch since morning.
3. I ___ this book all day, but I haven't finished it.
4. She ___ three letters this morning. They are on the desk.
5. The club ___ the sky since spring.
6. My eyes are tired because I ___ for two hours.
7. launch 的意思是：
8. A satellite is full of ___ and technology.
9. Weather satellites ___ storms before they arrive.
10. ___ means 'the possibility to develop in the future'.
11. steady 的意思是：
12. What time was the rocket launched in the passage?