chapter 6

Question 1

break the habits

Answer 1

1. part of speech : verb
2. definition : to quit doing something you usually do
3. example : he wanted to break the habit of smoking
4. last month, I broke my smoking habit

Question 2

chew

Answer 2

1. part of speech : verb
2. definition : to move your mouth, as with gum or food
3. example : some of the volunteers in the smoking study got gum to chew
4. you should chew the food very well

Question 3

plain

Answer 3

1. part of speech : adjective
2. definition : without anything special, extra
3. example : some of the volunteers in the smoking study got just plain chewing gum
4. I like to wear plain clothes

Question 4

treatment

Answer 4

1. part of speech : noun
2. definition : medicine or plan from a doctor
3. example : when doctors take action to help a patient with a sickness or injury, they are giving the patient medical treatment
4. most of medical treatments in my country are free

Question 5

exist

Answer 5

1. part of speech : verb
2. definition : to be real
3. example : some people believe there is no such thing as the placebo effect. They say that the placebo effect doesn’t really exist
4. many diseases were exist, but not now

Question 6

operation

Answer 6

1. part of speech : noun
2. definition : surgery
3. example : researchers in Texas did a study on a common knee operation.
4. my son had an operation on his eye last February

Question 7

fake

Answer 7

1. part of speech : adjective
2. definition : false, not real
3. example : some patients had fake surgery-only three small cuts around their knee
4. there are a lot of fake accounts on social networking

Question 8

percentage

Answer 8

1. part of speech : noun
2. definition : the amount from 100%
3. example : what percentage of the patients said they felt better ?
4. there is a small percentage of students are smokers

Question 9

situations

Answer 9

1. part of speech : noun
2. definition : cases, examples, instances, conditions
3. example : doctors give placebos to patients in certain situations
4. you can improve your financial situation by hard working

Question 10

recent

Answer 10

1. part of speech : adjective
2. definition : in the near past
3. example : there have been recent studies showing that what a patient believes affects his or her pain
4. some of recent TOEFL exam scores were good

Question 11

block

Answer 11

1. part of speech : verb
2. definition : to stop or cancel
3. example : when a painkiller stops pain from traveling through the body to the brain, you can say it blocks the pain
4. all the drivers shouldn’t block this road

Question 12

further

Answer 12

1. part of speech : adjective
2. definition : more, deeper
3. example : scientists say that further research is needed
4. we need further samples to discover the disease

Question 13

so far

Answer 13

1. part of speech : adverb
2. definition : until now
3. example : so far, there has been no general agreement about the placebo effect
4. I am doing well so far

Question 14

proven

Answer 14

1. part of speech : verb
2. definition : to show to be true for sure
3. example : no one has proven that the placebo effect exists
4. people do researches to prove their ideas

Question 15

have something to do with

Answer 15

1. part of speech : object
2. definition : to affect, to have a connection to something or to make an effect on something
3. example : the volunteers who got chewing gum thought they would feel less of a need for a cigarette. maybe that idea had a role in, or was related to, their experience. maybe that idea had something to do with their results
4. watching TV for a long time, has something to do with the study time for you