ThehitmovieFindingNemofollowsaclownfishfromtheGreatBarr...

問題詳情：

The hit movie Finding Nemo follows a clownfish from the Great Barrier Reef． In real life, clownfish are among the thousands of colorful sea creatures that call the Great Barrier Reef home．Stretching l,250 miles along Australia' s northeastern． coast,  the Great Barrier Reef is the longest coral reef in the world．

    A coral reef is a living underwater structure．  But these days,  the Great Barrier Reef has found itself in trouble．Overfishing,  pollution,  and high temperatures are harming its health． That's why

the government in Australia is trying to help rescue the reef．

Underwater Garden

     While coral may look like a plant, it is actually made up of tiny sea animal．Those sea animals are called coral polyps．

     As polyps die, they leave hard．shells behind． Other polyps grow on top of the shells．Over thousands of years,  they form a coral reef in warm water that is not very deep．

     In many ways, the Great Barrier Reef resembles an underwater garden．  Coral can be hard or soft．It forms in different colors and in strange shapes．Some coral looks like hardened brains． Other coral looks like fans and lettuces．

The reef bursts with schools of tropical fish, dashing among gaps in the coral. The reef supplies food． and． shelter to creatures living in and around the coral．  Turtles, sharks, sea horses, and crabs are among its many inhabitants．

Helping Humans

     While the reef is important to ocean life,  it helps humans,  too．  People rely on the reef for both food and jobs． It also provides medicine used to treat disease．  Each year, the Great Barrier Reef contributes about  $ 975 million to the economy through tourism and fishing．

Stressed Out   

    Is it surprising, then, that the Great Barrier Reef is under too much stress? Fishing nets and ships break off sections and damage the reef．  Air and water pollution are also doing harm． At the same time, warmer sea temperatures have caused coral bleaching（漂白） on half of the reef． The high temperatures cause the coral to turn white, often killing it．

Reef Rescue

    In an effort to help save the reef, the government has limited fishing to two thirds of it． That plan increases the number of "green zones．”Those are areas that are off -limits to fishermen and boats． However, tourists and researchers can still visit them． Many fishermen are upset about the plan because they rely on the reef for jobs．

     The Australian government says that its plan will help keep the reef safe from some threats． "It is very important that we give   B reef proper protection for the future," said one government official．  The reef is Australia' s greatest natural treasure．

h of the following is not a creature that lives in the Great Barrier Reef?

    A．  Coral polyps．  B． Turtles．        C．  Sea horses．   D． Whales．

h section describes the problem in this passage?

    A． " Underwater Garden"                 B． " Helping Humans

    C．“Stressed Out"                        D．“Reef Rescue"

picture can the reader get from the underlined sentence The reef bursts with schools of tropical fish, dashing among gaps in the coral．  in Paragraph 6?

    A． Many fish quickly moving through the coral．

    B．  Fish moving toward the center, or target, of the coral．

    C．  Structured, orderly groups of young fish without a clear path．

    D． Fish exploding when they come into contact with gaps in the coral．

is this passage mostly about?

    A． The causes of reef problems an  possible solutions．

    B． Coral bleaching, which causes the reef to turn white．

    C． The history of tourism to the Great Barrier Reef．

    D． Overfishing and higher temperatures．

【回答】

 DCAA

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