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W: The vervets’ verbal communication is very difficult to understand. It took many years to understand the
shrieks. Many people do not hear any apparent difference ‘ They think the shrieks are the same. Even scientists
lind it hard to hear. Some scientists even thought that vervets did not talk to each other. Scientists used
computers to lind out lor sure. Computers analyzed the shrieks. Their linal evaluation showed that the
shrieks were different. Next scientists learned the meaning of each shriek ‘ They first learned that the shrieks
were to caution their friends. Scientists then put speakers in the vervets' jungle territory. They hid them in
bushes and in trees. The scientists then used tapes. They played each shriek in the jungle. They watched
to see what the vervets did. They saw the vervets run to a different place. Later they learned the meaning
01 each shriek. Scientists want to study other monkeys. They want to see if they can talk. This is difficult
Other monkeys live in much larger territories. This makes it hard to study them. Vervets are small, smart,
and live close together. This makes it easy to study them. Scientists have learned a lot from vervets

[ Review 2 ]

lm셀I잠셀-
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Step 2
M: Sign language is a communication tool used by many adults and children who are deaf or hard 01 hearing
It is a language that is spoken through hand motions and body language instead of words. Sign language
dates back to the eighteenth century. It started in Europe. It is used internationally and signs vary depending
on the location. An example of this would be a South American country would have signs that a North
American co니 ntry might not have. Sign language is usually offered as a language class at university
However, sometimes there is not enough interest lrom the student population for it to be offered. Students
who lind interest in becoming fluent in sign language are often looking to find a career where they can use
it. A good career for those wanting to use sign language is to become a translator. Hospitals α other service-
oriented jobs are in need of people who can communicate with those who are non-verbal communicators
to better serve them. The most common sign in sign language is “1 love you." 1I anyone is interested in
learning sign language, libraries or bookstores have great books for beginners

l파힘표i셀 ..
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Step 1
M: Hey, Michelle. What are you working on?
W: College applications. Have you started working on your applications yet?
M: No ... 1 am a bit overwhelmed by the application process. In fact, 1 am not sure 1 want to go to college
W: What would you do instead, Fred?
M: 1 am thinking about joining the armed forces or maybe traveling for a bit
W: Last week you mentioned you were interested in architecture.
M: 1 know. 1 just don’t want to regret not having traveled the world while 1’m young
W: You know you can study abroad in college. That would give you a chance to travel and go to school
M: 1 haven’t thought about that option. 1 think 1 am avoiding having to make a decision
It is all kind of overwhelming
W: Yeah, 1 agree ‘ You sho미 d at least fill the applications out
M: 1 plan on it. 1 still have a few weeks before they are due
W: 1 think whatever you decide to do you will have the opportunity to travel ‘
M: 1m sure you’re right, Michelle. Hey, good luck on your applications
’
W: Thanks, Fred. Let me know what you decide to do

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