Students go hungry for charity（慈善）

    Students at New Point School enjoyed their breakfast today, for it broke a 24-hour fast（禁食） for charity. During the fast, they could not eat any food ____,and they could only drink water, tea and clear fruit juice. The students all volunteered to go without food for one day to raise money for UN projects to help the poor ____.

Mr. James Wood, their English teacher, said, “The students ____ the idea themselves after seeing photos of hungry children. They organized the whole thing. I'm very proud of them.”

    “Twenty-four hours did not feel like a very long time. Next year, I might even double ____ I spend fasting. Then I can raise twice as much money!” said Jane Austin, a student. “It's so wrong for us to have lots of food while many people in the world are going hungry. We need to give to those in need.”

    The students collected about $2 400 from the fast. They were ____ the total amount. “It's amazing! People are so kind, and they want to help others,” said Alan Long, another student.

读下面这段文字，根据拼音写出汉字。
      人生，需要一些时刻，慢下来，慢下来，欣shǎng          叶子舒卷的曼妙，líng         听花开的声音。人生如路，要有nài         心，走着走着，便会出现fán        华的风景。

如图所示，物体质量m₁=0.1kg，视为质点，在C处弹簧发射器的作用下，沿光滑半圆轨道至最高点A处后在空中飞行，不计空气阻力，恰好沿PQ方向击中P点，∠PQC=53°，半圆的半径R=0.5m，A，P两点的竖直距离为0.8米，g=10m/s²，sin53°=0.8，cos53°=0.6

看肾单位示意图，填出下表

①____；②____；③____。