填空题

Passage A
Directions: You will hear a monologue. Listen to it and fill out the table with the information you’ve heard for questions 11—15. Some of the information has been given to you in the table. Write only 1 word in each blank. You will hear the recording twice. You now have 25 seconds to read the table below.

1. Plants give out faint ______ when they are thirsty.	11
2. Many insects like to attack ______ plants.	12
3. To test his theory, Robert is using a device that can ______ plant cries.	13
4. A Healthy plant sounds ______ in Robert’s test.	14
5. The snapping pipes in plants make noises ten thousand times more quiet than a ______.	15