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The Great Pacific Garbage Patch In the Pacific Ocean near Hawaii，millions of tons of garbage swirl（打旋） slowly in the water.The remains of bottles，plastic bags，fishing nets，and other items float gently around.This is the Pacific Garbage Patch，and it's a huge problem.The Pacific Garbage Patch is in a part of the ocean where water moves endlessly in a circle.Trash from thousands of miles away is pulled by ocean currents（洋流） until it travels to this spot.
   Most of the garbage is plastic.This is because plastic doesn't break down easily.It can only break down into small pieces.These small pieces look like food to fish，birds，and other animals.When these animals eat the plastic instead of filling up on real food，they can become sick and starve to death.
   Scientists worry that this ocean garbage will hurt more than just marine life（海洋生物）.Eventually，sick animals can make their way into the human food supply.But right now，nobody is sure how to solve the problem.One thing that does work，though，is to recycle plastic or throw them away properly.Remember，if your soda bottle doesn't become litter in the first place，it won't get into the ocean.
（1）What is the passage mostly about？

A

A

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A．Plastic in the ocean
B．How plastic breaks down
C．Things made from plastic
D．The reasons to recycle plastic
（2）Recycling helps the ocean because

B

B

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A．it provides jobs for scientists
B．it keeps trash out of the ocean
C．it turns plastic into food
D．it stops people from throwing plastic away
（3）What are scientists worried about？

C

C

A．The plastic is all coming from Hawaii.
B．The plastic makes it difficult to swim.
C．The plastic could eventually hurt people.
D．The plastic makes the ocean ugly.
（4）Why do marine animals mistake plastic for food？

D

D

A．Plastic provides animals with energy.
B．Plastic carries pieces of food with it.
C．Plastic smells like food to the animals.
D．Plastic breaks down into small pieces.
（5）In which way，a soda bottle will NOT get into the ocean？

A

A

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A．Make it a flower vase and reuse it
B．Throw it into rubbish bin after drink up the soda
C．Cut it into pieces and flush them
D．Make it smaller and throw it in the garbage bin