C. Throw all her plants away.
听第9段材料，回答第13至16题。
13. Why doesn’t Sue have the cake?
A. She dislikes it.
B. She’s trying to lose weight.
C. She’s trying to control a medical problem.
14. Who brought the sandwiches?
A. Jill.
B. Tom.
C. Sharon.
15. What does Sue really want?
A. A salad.
B. Some seafood.
C. Some hot soup.
16. What will Bill do in a few hours?
A. See a doctor.
B. Go to a restaurant.
C. Talk with the guests.
听第10段材料，回答第17至20题。
17. What is the main purpose of the loud noises?
A. To warn people outdoors to get inside.
B. To get people’s attention inside their homes.
C. To inform people without radios about danger.
18. Who decides to turn on the warning system?
A. Local media.
B. Local officials.
C. The national weather service.
19. Where should people go when they hear a warning?
A. To a window.
B. To a public shelter.
C. To the middle of a building.
20. What is the main topic of the talk?
A. A weather report.
B. A warning system.
C. The safety steps in bad weather.
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