There are many fun things to do at the beach.  Swimming is one thing that can be done at the beach.  Snorkeling is another thing that can be enjoyed.  Playing beach volleyball can be a lot of fun.  It is also fun to look for shells.  Some people simply like to sunbathe.
What is the main idea?

Benjamin Franklin loved to write.  When he was twenty-two, he set up his own printing shop and started a newspaper.  He also printed a book called Poor Richard’s Almanac.  It had funny stories, information about the weather, and wise sayings.

Sharks can lose up to 30,000 teeth in their lifetime. Sharks have teeth arranged in rows inside their mouths. These teeth do not have roots like human teeth do, so they fall out easily. When a shark takes a powerful bite into its food, several teeth are lost. When these teeth are lost, new ones push forward from the back rows to replace them. Luckily, sharks continually grow new teeth to replace the thousands they lose.

Tim looked out the window. The house looked so lonely. Tim's father put the last suitcase in the trunk and started up the car. Thor, his dog, put his head on Tim's lap, like he understood how  Tim was feeling. "It's okay Thor," he said, "Dad says we will like California." What is happening?

Which sentence from the selection supports that the computer was not working properly?

Macey's mom noticed that she was squinting as she read her book, which was only a few inches away from her face. She scheduled a doctor's appointment for the next week, and when the doctor said Macey needed glasses, she tried on every single pair in the office. After spending an hour looking at glasses, mom suggested that perhaps she should sleep on it and come back and decide in the morning. Macey agreed, but she kept talking about the pros and cons of each pair all night long. 
What can you infer about Macey?