A. The history of plastic and its usefulness
B. Materials that plastic is made of
C. Plastic: effects and solutions to the problem
D. The ways to reduce the harm of plastics on the environment
A. remove
B. create
C. make
D. keep
A. they are a danger to marine life such as whales, turtles and so on.
B. they are very convenient for people to use in different purposes.
C. people reuse plastic objects before recycling them.
D. plastics can exist for a long time without decomposing.
A. Plastic objects are useful for people without negative impacts.
B. Plastics and plastic objects can be thrown away to tidy the room.
C. Plastics and plastic objects can be recycled or reused.
D. Some kinds of plastics can be melted down, then released into the river.
A. Plastics
B. Things
C. Rubbish dumps
D. People
A. Being optimistic is an effective way to get over bad situations.
B. Keeping positive or negative thoughts is the own choice of each person.
C. Positive thoughts are necessary conditions to be successful.
D. There seems to have more pessimists than optimists.
A. problem
B. sorrow
C. disappointment
D. damage
A. tragic events
B. all of the people
C. the first family
D. the second family
A. disappointment and sadness are all people’s common emotions in terrible situations.
B. your attitude in terrible situations is more important than how serious the problems are.
C. optimists often suffer less terrible situations than pessimists.
D. your attitude will decide the way you react to terrible situations.
A. trouble
B. background
C. circumstance
D. imagination
A. The thing people have to remember is managing their own reaction to bad situations.
B. Everyone will suffer some terrible experiences in their life.
C. Paying attention to the solutions of the setback is better than focusing on the damage it causes.
D. To have a good foundation for the future, you should not undergo bad situations today.
A. Be optimistic and make out a plan.
B. Ask other people for help when necessary.
C. Control your emotions.
D. Determine how serious the problem is.
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