为什么剑桥雅思真题里，分四个test？都是真题吗？请问有什么区别呀？

你好
test1和test2分别是两套题，里面都包含听说读写四项，一本书里现在有4个test，也就是4套题。
希望可以帮到你

求，英语阅读理解，谁有？？

阅读理解
　　Mr. Lee was in bed and was trying to go to sleep when he heard the bell ring. He turned on the light and looked at his clock. It was twelve o'clock. Who can it be at this time of night? He thought. He decided to go and find out. So he got off bed, put on his dressing gown (浴袍) and went to the door. When he opened the door, there was nobody there. That is very strange. Then he went back to his bedroom, took off his dressing gown, got back into bed ,turned off the light and tried to go to sleep.

　　A few minutes later he heard the bell again. Mr. Lee jumped out of bed very quickly and rushed to the door. He opened it, but again he found no one there. He closed the door and tried not to feel angry. Then he saw a piece of paper on the floor. He picked it up. There were some words on it : It is now after midnight(午夜), so it is April Fool's Day (愚人节) . April fool to you!

　　Oh , it was the English boy next door! Mr. Lee exclaimed (惊叫) and almost smiled. He went back to bed and feel asleep at once. The bell did not ring again.

1. When did Mr. Lee go to bed?
He went to bed _______.
A. before twelve o'clock B. after twelve o'clock
C. when the bell rang D. when he saw the boy


2. Why did he rush to the door when he heard the bell ring the second time?
A. He wanted to open the door for the visitor
B. He wanted to find out who the visitor was.
C. He was afraid of the ring
D. He was waiting for someone.


3. From this passage, we learn that we can _______ on April Fool's Day.
A. say Hello to each other B. dance and sing at night
C. play jokes on each other D. send pressents to children


4. What did Mr. Lee think about the English boy?
He thought he _________.
A. was a good boy B. was friendly with him
C. shouldn't ring the bell at midnight D. did a dangerous thing just now
答案及解析：

　　1．A．此题是一道细节题，文章第一自然段的前三个句子就告诉了此题的答案。

　　2．B．文中有这样的句子“Who can it be at this time of night?”，此句说明Mr. Lee 很想知道是谁在午夜时来敲门。

　　3．C．此题是一道常识题，因为大家都知道在愚人节这天，人们可相互开玩笑。

　　4．B．英国男孩和Mr. Lee开玩笑，说明他把Mr. Lee看成朋友，所以答案是B。