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10.The Great Barrier Reef is home to brightly colored fish,eye-catching coral,and swaying seaweed.What else is hiding in the world's largest coral reef?Scientists recently dived into the water to find out.A team of scientists explored the reef,located along Australia's northeastern coast.They also checked out Ningaloo Reef on the country's western coast.The searches turned up hundreds of animal species,including some that may be new to science.Scientists spied worms shaped like trees,big-clawed shrimp and jellyfish.
"It is awe-inspiring to know that so much of what we see has not yet been described,"says Patricia Hendricks,who took part in the expedition.That is a trip with a specific goal."The reef is truly a beautiful place with so many mysteries."
Scientists wanted to get a closer look at some of the underwater cities'lesser-known residents-soft coral.Using netted bags and their hands,the scientists searched the reefs.They found about 130types of soft coral that may be new species.A lot is known about hard coral,but soft coral is more of a mystery.The creatures are very diverse,or varied.Some are shaped like bushes or fans.Others are whips that twist with the currents.They grow in rainbow of colors.Despite the variety,some types of soft coral look very similar to one another,"This makes them a challenge to study,and so very little is known about them."Hendricks told ER News.She and other researchers took samples of the soft coral.The scientists also zeroed in on what was living in and around the coral.They hope to identify the new species.
The reef research isn't done yet.The scientists plan to return to same three spots annually for the next six years.They left 36plastic"houses"stuck to the ocean floor.The scientists hope some of the coral reefs'residents will move into the houses over time.That will make it easier for scientists to study the creatures on future trips.
The scientists'findings could give humans a hand.Some marine life is used in medicine.Researchers can also study how the creatures deal with pollution and climate change.That mightgive scientists ideas on how people could better adapt or change.Knowing what creatures live in oceans is important,scientists say,because on-third of the world's coral reefs are endangered."If we don't know what is present in the first place,how are we ever going to protect it properly?"asks Hendricks."Learning about new species is an important step."

53.What's the main idea of the passage?A
A.Scientists find surprises in the Great barrier Reef.
B.Soft Coral no longer remains a mystery.
C.Scientists left 36plastic houses to the ocean floor.
D.Scientists made explorations to deal with ocean pollution.
54.According to the passage,what makes the study of the soft coral a big challenge?C
A.The diversity of the soft coral. B.Many unknown species.
C.The similar appearance.          D.Various shapes and colors.
55.What does the writer mean by"That might give scientists ideas on how people could better adapt,or change."(Para.5)?B
A.Ocean species may be of great medical value in the future.
B.A study of ocean creatures'adaptation may assist scientists in their research.
C.Research on ocean creatures will help solve the pollution problem.
D.Studying new ocean species will help improve people's living environment.
56.It can be inferred from the passage thatC.
A.the scientists discovered many ocean species by accident
B.coral reefs in the world are endangered because of climate change
C.the Great Barrier Reef has been attracting more scientists'attention
D.the samples of the soft coral enables scientists to further explore the ocean.

分析 科学家在大堡礁发现了许多新奇的动物物种,其中包括一些待确认的新物种,并且研究大堡礁的海域还可以用来解决污染问题.

解答 53.A.主旨大意题.由全文内容得,科学家在大堡礁发现了许多新奇的动物物种.故选A.
55.C.细节理解题.由第三段some types of soft coral look very similar to one another,"This makes them a challenge to study可知,使研究软珊瑚具有挑战性的是它们之间外表十分相像.故选C.
55.B.理解推断此句话意思是研究这些可以用来研究生物处理污染和气候变化,也就是说可以用来解决污染问题.故选B.
56.C.推理判断题.由文章内容可知,科学家在大堡礁发现了许多新奇的动物物种,并且研究这些物种也有利于解决污染问题.因此推测大堡礁已经吸引了许多科学家的注意.故选C.

点评 在对科技说明文进行阅读理解是,考生可以尤其注意中心句,中心段(首尾)、转折句和问题中出现的词,尤其是一些很有特点的词如专有名词.在文段中快速找到相应词语所在位置,问题的答案往往就在附近.

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