Earthquakes,also called temblors (地震) ,can be so extremely destructive; it's hard to imagine they occur by the thousands every day around the world,usually in the form of small tremors.

Some 80 per cent of all the planet's earthquakes occur along the rim of the Pacific Ocean,called the "Ring of Fire" because of the preponderance (数量上的优势) of volcanic activity there as well. Most earthquakes occur at fault zones,where tectonic plates―giant rock slabs that make up the earth's upper lay?er―crash or slide against each other. These impacts are usually gradual and unnoticeable on the surface. However,immense stress can build up between plates. When this stress is released quickly,it sends massive vibrations (震动) ,called seis?mic waves,often hundreds of miles through the rock and up to the surface. Other quakes can occur far from fault zones when plates are stretched or squeezed.

Scientists assign a magnitude rating to earthquakes based on the strength and du?ration of their seismic waves. A quake measuring 3  to 5 is considered minor or light; 5 to 7  is moderate to strong; 7 to 8  is major,and 8 or more is great.

On average,a magnitude 8  quake strikes somewhere every year and some 10,000 people die worldwide annually in earthquakes. Collapsing buildings claim by far the majority of lives,but the destruction is often compounded (加重) by mud slides,fires,floods,or tsunamis. Smaller temblors that usually occur in the days following a large earthquake can complicate rescue efforts and cause further death and destruction.

Loss of life can be avoided through emergency planning,education,and the construction of buildings that sway rather than break under the stress of an earth?quake.

1. Why is the rim of the Pacific Ocean called the "Ring of Fire"?

   A. Because 80 %of the earth's quakes occur there.

   B. Because there are many fault zones along the rim.

   C. Because volcanoes happen actively along the rim.

   D. Because seismic waves are sent out from the rim.

2. An earthquake can't happen when         .

   A. tectonic plates collide against each other

   B. tectonic plates are stretched

   C. tectonic plates move slightly

   D. tectonic plates are squeezed

3. A major earthquake is measured at a magnitude of         .

   A. 7 to 8     B. 5 to 7

   C. 3 to 5     D. 8 or more

4. What is the most effective way to avoid death in earthquakes?

   A. To make quick rescue efforts.

   B. To educate people knowledge of earthquakes.

   C. To have a detailed plan in an emergency.

   D. To build buildings strong enough.

 The people of ancient Maya approached the art of ceramics in a manner which actually no other culture did.

  The Vase of the Seven Gods,made in the area of Naranjo,an ancient city of the Maya civ?ilization,shows the fine way the Maya handled clay. There is no evidence of burned marks,but the clay maintains an even width all around. A special box was used to fire this to equally dis?tribute the heat. The mere fact that so much effort was spent on the creation of this vase alone shows the importance of ceramics to the Maya people. Like all art of Maya,this vase exhibits highly religious symbols. Furthermore,the artist's name is marked along the bottom of this piece in the form of a small white rabbit.

  Ceramics also served as reminders of ancestors,God,and spirituality. Color was often used as an indicator,and research shows that artists actually applied the pigments to each work in a far different manner than is typically used today. The Fleur De Lis vase is a fine example. The water lilies are not only symbols of new birth and life giving qualities,but a constant re?minder of purity. On this vase,the water lilies are white,which is undoubtedly a sign of purity.

  Furthermore,ceramics served a great level of ftxnctionality in the Maya culture. Vases,which are quite commonly seen today,were used primarily for the consumption of liquid choco?late and cocoa. Bowls were used to serve various maize (corn) products. This practice holds extreme spiritual importance,because maize is seen as the body of the Maize God. The ancient Maya thought if they ate maize,or the body of God from the bowl,they actually became God. Far less specifically,plates were merely used for any object which should not be consumed from a vase or bowl.

  Finally,Maya used depictions―cravings or paintings―on ceramics to resurrect family members and honor god. Because they believed that they would rise from the dead with their name spoken or their figures drawn or painted,the depictions on these ceramics played a vital role in Maya spirituality.

  Clearly,ceramics served a key function in ancient Maya society.

(   ) 1. The art of ceramics of the ancient Maya         .

   A. was instructed by gods

   B. was distinct from that of other cultures

   C. was not paid attention to by other cultures

   D. marked the best aspect of the Maya civilization

(   ) 2. The water lilies on the Fleur De Lis vase         .

   A. give people a sense of purity

   B. are floating in a white ancient sea

   C. merely indicate new birth and life giving qualities

   D. remind people of ancestors,God,and spirituality

(   ) 3. What does the underlined word "resurrect" most probably mean?

   A. Show respect for sb. B. Tell stories about sb.

   C. Bring sb. back to life. D. Memorize sb. who are dead.

(   ) 4. We can conclude that in ancient Maya society         .

   A. ceramics served a functional and spiritual purpose

   B. the ceramics were initially made to meet religious needs

   C. owing fine ceramics was a symbol of richness and nobility

   D. ceramics were used totally differently from what we do now

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