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Birthday parties and graduations are occasions when people celebrate with balloons, often releasing (释放) them into the sky happily. But what happens to those plastic balloons once they become flat? Where do they end up?

For years, many environmental groups have pushed for mass balloon releases to be inhibited, saying that balloon pieces and strings are dangerous to wildlife. “They can bring harm to wildlife simply because they are colorful and bright, so wildlife might think they are delicious food, and their bodies can get caught by the strings, thus making it difficult for them to swim or breathe.” Emma Tonge, communications and outreach specialist at the National Oceanic and Atmospheric Administration, told USA Today. Yet releases still happen.

Researchers in Australia analyzed the effects that soft plastics like balloons have on seabirds. They have discovered that soft plastics are more likely than hard plastics to cause barriers in seabirds’ gastrointestinal tracts (胃肠道). Of the birds examined, nearly one out of five died as a result of swallowing a balloon or balloon pieces.

“If seabirds eat plastics, their risk of death increases, and even a single piece can be deadly,” wrote lead study author Lauren Roman, PhD student at University of Tasmania. “The evidence is clear that if we want to stop seabirds from dying from plastic ingestion (吸入) we need to reduce or remove marine debris (海洋垃圾) from their environment, particularly balloons.”

Balloons Blow, a nonprofit organization, is devoted to educating people about the dangers released balloons can have on animals, people and the environment. The group points out that all released balloons return to the ground as litter. Animals like birds, whales and sea turtles can die after swallowing balloons.

1.Why does wildlife eat balloon pieces?

A.They mistake them for delicious food. B.They eat anything for lack of food.

C.They feel like eating bright things. D.They suck them just for pleasure.

2.What does the underlined word“inhibited”in paragraph 2 most probably mean?

A.objected B.adjusted C.banned D.governed

3.What can we infer from the researchers’analysis in paragraph 3?

A.Seabirds are forced to swallow balloons.

B.Balloons mainly determine seabirds’survival.

C.Soft plastics are worse than hard ones for seabirds.

D.Seabirds are more sensitive to hard plastics.

4.What is Lauren Roman’s idea on the released balloons?

A.They have bad effects on all the birds. B.They are harmless in small pieces.

C.They are major damage to people. D.They do great harm to seabirds.

5.What is the text mainly about?

A.What released balloons bring to the ocean.

B.Why people should stop releasing balloons.

C.When action will be taken to protect wildlife.

D.How released balloons can be finally reduced.

高二英语阅读选择中等难度题

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