Answers to Chapter Review Test

Apostrophe Answers

1. Because Pat can’t make up his mind, he changes his plans several times a day.

2. Fiona receives $10 from her parents if she gets all A’s and B’s on her grade report.

3. After we return from our month’s vacation, we’ll respond to all the mail and phone messages.

4. Our cat wants its food in a secluded area, whereas our dogs want theirs in the family room.

5. No one wants to live in a vegetative state, unable to eat, walk, or communicate.

6. Therefore, members of the family should be the ones to make the critical medical decision instead of the doctors.

7. The problem is that a doctor’s word should not be allowed to override the family’s decision regarding a loved one.

8. Because Sirkku put too many 0’s on the bill, the accounting clerk wrote a check for $100,000 instead of $1,000.

9. There’s never enough time to complete all of the homework assignments in Mr. Buchanan’s class.

10. Bonnie will buy her shirt in the children’s department because it’s less expensive than one from the women’s department.

11. She’s been loaning it out to analyze a stream of 0’s and 1’s coming from an organization called the Search for Extraterrestrial Intelligence, or SETI.

12. SETI’s giant telescope in Arecibo, Puerto Rico scans space for signals. 13. SETI scientists hope that someday they will receive a signal from extraterrestrial life forms.

14. The telescope’s data contains both strong and weak signals, and there’s a huge amount of data to be analyzed.

15. The SETI labs don’t have a powerful enough computer to analyze all of the data quickly.

16. The scientists estimated that it could take hundreds of years to look closely at the weak signals on a less powerful computer.

17. The scientists considered the problem, and an idea of theirs solved it.

18. It’s now quite simple for a volunteer like my boss to download a screen saver that picks up data from the SETI telescope and analyzes it.

19. When my boss doesn’t need the computer to be doing work of hers, she lets it sift through the signals from space and report its analysis to SETI.

20. Maybe someday, she’ll be the one to help decode a message from space, and the SETI scientists’ work will change the way we look at the universe.