Question

The Kingdome in Seattle was destroyed on March 26£¬2000£®It was taken down to make room for a new stadium£®The blast(±¬ÆÆ)from the failing building caused the earth to shake as if an earthquake had happened£®

Scientists placed more than 200 earthquake recorders in the earth to measure the movement£®They found which parts of the

city shook the most£®This information helped them know which parts of the city would be damaged in a real earthquake at an early time£®

      A real earthquake happened on February 28, 2001 in Seattle£®The Nisqually earthquake was 6.8 on the Richter scale(ÀïÊÏ6.8¼¶)£®It damaged the same parts of Seattle that scientists had predicted from the pulling down of the Kingdome£®It was a plate quake£®It started deep in the earth, 37 miles below the surface on the Juan de Fuca Plate£®Sometimes£¬huge plates under the earth cause earthquakes when the plates move against each other suddenly£®

      Scientists have learned that deep earthquakes have very few aftershocks(ÓàÕð)£®The Nisqually earthquake had only 4 ones£®Another earthquake in California that was close to the surface had over 120 aftershocks£®Scientists do not know why the deep earthquakes have fewer aftershocks£®

      Scientists plan to blast in the ground near Seattle with the purpose of testing the plate£®The shockwaves from the blast will jump off the plate and give them all idea of where the plate is and how it is moving£®This will give them more information in case another real earthquake hits the area£®

56£®Why were the scientists interested in the pulling down of the Seattle Kingdome?

      A£®To predict what might happen in a real earthquake£®

      B£®To see which areas near the Kingdome would shake the hardest£®

      C£®To measure the movement of the Earth with earthquake recorders£®

      D£®All of the above£®

57£®What will happen after a deep earthquake according to the scientists?

      A£®There will be little damage£®       

B£®There will be many aftershocks£®

      C£®There will be very few aftershocks£® 

D£®The Richter scale of the quakes will be 6.8 or more£®

58£®According to the passage£¬       have the most aftershocks£®

      A£®deep earthquakes         B£®shockwave earthquakes

      C£®earthquakes close to the surface     D£®earthquakes more than 6.8 Richter scale

59£®By studying the blast in the ground near Seattle, scientists hope to        

      A£®destroy the Kingdome

      B£®learn where the plate is and how it is moving

      C£®find out how many plates there are in the ground there

      D£®know which places are likely to have the most damage            

Answer 1

DCCB