求英语手抄报

Oct.1st is the national day of China.In 1949.Oct.1st,was the first year of the national day of China.At that time,people were very happy,because China has been free ,the war has just stopped.We were the winner!Then every year of this day,people put the national flag out to celebrate.At the capital of China--Peking,there is a lot of people to parade and celebrate in the national day.Everybody was happy and very exciting.It was very lively.Do you want to know and see it? Come and visit us for the national day of China.

1. Why the stars will flash flash it?

We see stars sparkle, this is not because the stars change their brightness, but with the atmosphere, blocking the.
Across the atmosphere between us and the stars, when the starlight through the atmosphere, they will receive the impact of atmospheric density and thickness. The atmosphere is not absolutely transparent, its transparency will be different according to the density difference. Therefore, we look a