immediately responds to the behavior. Perhaps without realizing it, you have used this principle many times.
On the occasion when you told your child what a good boy he was after he cleaned up his room, you used the principle. When you sent your child to his room for fighting with his brother, you used the principle. When I gave Kim a cookie after she started to cry, I used the principle. In each of these examples, a particular behavior occurred first ---- cleaning up a room, fighting, and crying.
In addition, there was a reaction to each behavior ---- the child
was praised, sent to his room, or given a cookie. By these actions, we have influenced the previous behaviors and have helped to determine whether those behaviors will occur again in the
future (5)、What does the lecturer mean by "environment"? ( C )
A. Rooms, cookies and toys.
B. Water, air and forest.
C. People, places and things.
D. Family, school and friends.
三、判断题。本大题共10个小题，每小题 2.5 分，共25.0分。
1. Until 1983, Tillson Lake had been a lovely weekend and vacation place for many families. Then everything changed. During the Fourth of July weekend, residents woke up one morning to find that the lake had disappeared.
Some people didn't believe what they were seeing. They looked again, but to their amazement they found they had been right the first time. The lake was simply no longer there. In its place was a big muddy hole, 30 feet deep. It was as if the lake had been a giant bathtub and someone had pulled the plug.
The lake's owner, Joseph Unanue, did indeed pull the plug. That's exactly what happened. The dam that held back the water to form the lake was falling apart, so government officials ordered him to repair it. They issued him a permit to lower the dam level "five feet or more."He did much more. Mr. Unanue found repairs to the dam would cost $100,000. He didn't want to spend that much, so he opened the dam and lowered the water level until the lake was completely emptied. People living above the dam ended up with no lake. People living below the dam ended up with tons of mud and lots of dead fish. Everyone involved was angry with Mr. Unanue.
Area residents believed Mr. Unanue acted out of spite（恶意）. They said he wanted to get back at them because the town wouldn't let him develop an amusement park on the lakeshore. When he couldn't build his park, he just went away and took his lake with
him.
(1)、The story is mainly about a bad-tempered man and his lake.
(错误)
2. Until 1983, Tillson Lake had been a lovely weekend and vacation place for many families. Then everything changed. During the Fourth of July weekend, residents woke up one morning to find that the lake had disappeared.
Some people didn't believe what they were seeing. They looked again, but to their amazement they found they had been right the first time. The lake was simply no longer there. In its place was a big muddy hole, 30 feet deep. It was as if the lake had been a giant bathtub and someone had pulled the plug.
The lake's owner, Joseph Unanue, did indeed pull the plug. That's exactly what happened. The dam that held back the water to form the lake was falling apart, so government officials ordered him to repair it. They issued him a permit to lower the dam level "five feet or more."He did much more. Mr. Unanue found repairs to the dam would cost $100,000. He didn't want to spend that much, so he opened the dam and lowered the water level until the lake was completely emptied. People living above the dam ended up with no lake. People living below the dam ended up with tons of mud and lots of dead fish. Everyone involved was angry with Mr. Unanue.
Area residents believed Mr. Unanue acted out of spite（恶意）. They said he wanted to get back at them because the town wouldn't let him develop an amusement park on the lakeshore. When he couldn't build his park, he just went away and took his lake with
him.
(2)、The lake was compared to a bathtub because it could be emptied out.
(错误)
3. Until 1983, Tillson Lake had been a lovely weekend and vacation place for many families. Then everything changed. During the Fourth of July weekend, residents woke up one morning to find that the lake had disappeared.
Some people didn't believe what they were seeing. They looked again, but to their amazement they found they had been right the first time. The lake was simply no longer there. In its place was a big muddy hole, 30 feet deep. It was as if the lake had been a giant bathtub and someone had pulled the plug.
The lake's owner, Joseph Unanue, did indeed pull the plug. That's exactly what happened. The dam that held back the water to form the lake was falling apart, so government officials ordered him to repair it. They issued him a permit to lower the dam level
"five feet or more."He did much more. Mr. Unanue found repairs to the dam would cost $100,000. He didn't want to spend that much, so he opened the dam and lowered the water level until the lake was completely emptied. People living above the dam ended up with no lake. People living below the dam ended up with tons of mud and lots of dead fish. Everyone involved was angry with Mr. Unanue.
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