题目内容：

阅读理解。

It is the year 2050 now. Tom and I want to visit the Mars. It is a planet (行星) far away from our planet---the Earth.

Our spaceship (太空船) flew fortwo weeks to get to the Mars. When we arrived, we opened the door of the spaceship and looked out. The weather there was     sunny and hot. We saw an alien (外星人) behind a tree. He is very tall and big and has brown hair.“Help me!” shouted the alien.Then we saw some monsters (怪兽)  running after  another alien from the house near a tree. They wanted to kill him. So we had to run away quickly!We both moved to the spaceship and jumped in. We also took the alien into our spaceship and saved him. What an exciting day!

阅读短文简略回答1.2.3.题的问题。4题判断的正误（F，T）。5题翻译文中划线的句子。

1.When did the story happened?

2.Who wanted to kill the alien?

3.How long did they spend getting to the Mars?

4.Is it a true story?

5.翻译划线部分的句子。