阅读短文，完成下列题目。
I'm Mary. It's my diary. Today is April 5th. I get up early. It's sunny and warm. It's my birthday. Today
I'm very happy. In the morning, I climb mountains and visit grandparents with my parents. In the afternoon,
we watch TV. Grandpa says, " My birthday is in summer. It's hot. We can go swimming." " I like summer best.
I like swimming." I say. All of us are very happy today.
根据短文内容，判断正(√)误(×)。
( ) 1. Mary's birthday is August 5th.
( ) 2. Today is sunny and warm.
( ) 3. Mary's favourite season is spring.
( ) 4. Mary's grandpa's birthday is in summer.
( ) 5. They climb mountains and go shopping today.