1、Unit 4 Earthquakes 同步练习(九)阅读理解(共 30 分，每小题 2 分) (A)At 5：13 on the morning of Apr1 18th，1906，the city of San Francisco was shaken by a terrible earthquake A great part。f the city was destroyed and a large number of buildings were burnt The number of people who lost homes reached as many as 250000 Abou
2、t 700 people died in the earthquake and the firesAnother earthquake shook San Francisco on October 17th1989It was Americans second strongest earthquake and about 100 people were killedIt happened in the evening as people were traveling homeA wide and busy road which was built like a bridge over anot
3、her road fell onto the one belowMany people were killed in their cars ，but a few lucky ones will not hurtLuckily the l 989 earthquake did not happen in the centre of town but about 50 kilometers away In one part of the town a great many buildings were destroyed These buildings were over 50 years old
4、，so they were not strong enough There were a lot of fires all over the city The electricity was cut off for several days too1Whats the main idea of the passage?AThe deaths caused by earthquakes in San FranciscoBThe earthquake in San Francisco in 1906CThe earthquake in San Francisco in 1989DThe two e
5、arthquakes in San Francisco2HOW many people were homeless in the earthquake in 1906?A250，000 B700 C100 D503When did 1989 earthquake happen?AIn the morningBIn the afternoonC111 the eveningDAt night4Why were many buildings destroyed in the 1989 earthquake?AIt happened in the centre of the townB The ho
6、uses were made of woodC The buildings were old and not strong enoughDThe buildings were too tall5Which of the following statements is NOT TRUE?AThe 1906 earthquake was terribleBThe 1 989 earthquake was the strongest oneCThe 1989 earthquake didnt happen in the centre of the townDThe 1906 earthquake h
7、appened in the morning(B)Some countries have a large number of earthquakes，Japan is one of the them ,while others do not have many，for example， there are few earthquakes in Britain There is often a great noise during an earthquakeThe groundvibratesHouses fall downRailways are broken， which causes tr
8、ains to run off Sometimes thousands of people are killed in different ways About 60，000 were killed in 1783 in the south of Italy Some people say that earthquakes often happen near Volcanoes， but this is not true The centers of some earthquakes are under the sea The bottom of the sea Suddenly moves
9、The powerful forces inside the earth break the rocksThe coast is shaken and great waves appearThese waves travel long distances and rush over the land when they reach it，breaking down houses and other buildings， even more than the earthquake itself What kind of building stays up best in an earthquak
10、e? The Americans carefully studied the results of the earthquake in San Francisco (1906)and believed it best for buildings to be made with concrete walls held together by steel framesSuch are the buildings that cant burn or fall easily6What would make more damage than the earthquake itself?ANoises d
11、uring an earthquakeBBuildings with concrete wallsCGreat waves caused by an earthquake DBroken railway7What does the underlined word“vibratemean?ADamage BShake CBreak DFall 8Which of the following statements is true?AEarthquakes often happen in BritainBEarthquakes often happen near VolcanoesCThe cent
12、ers of all earthquakes are under the seaDIn 1906an earthquake happened in San Francisco9 According to the passage， what kind of building stays up best in an earthquake?ABuildings near VolcanoesB Buildings with concrete walls held together by steel framesCBuildings near coastDBuildings in Japan10What
13、s the best title of the passage?AEarthquakesBEarthquakes in JapanCThe Damage Caused by EarthquakesDThe Centre of an Earthquake(C)Very high waves are destructive when they strike the landFortunately，this seldom happens One reason is that out at sea， waves moving in one direction almost run into waves
14、 moving in a different directionThe two sets of waves tend to cancel each other outAnother reason is that water is shallower near the shore As a wave gets closer to land， the shallow bottom helps reduce its strength But the power of waves striking the shore can still be very greatDuring a winner gal
15、e，waves can strike the shore with the force of 6000 pounds for each square footThat means a wave，25 feet high and 500 feet along its face，may strike the shore with a force of 75 million poundsYet the waves，no matter how big or how violent，affect only the surface Of the seaDuring the most raging stor
16、ms，the water a hundred fathoms(600 feet)beneath the surface is just as calm as on a day without a breath of wind11What is the passage about?AStorms on the seaBDestructive wavesCThe powerful wavesDSea waves12According t0 the passage，the wave at the shallow bottom is_ Agreat in strengthBvery highCgrow
17、ing quicklyDweak in strength13What does the sea waves influence?AThe shore and the sea waterBThe surface of the seaCEvery part of the seaDThe deep part of the sea14What can we learn from the passage?AThe depth of the sea water is the only factor that influences the strength of wavesBThe depth of the
18、 sea water has n0 influence on the strength of wavesCThe depth of the sea water has influence on the strength of high wavesDThe depth of the sea water has nothing to do with sea waves15Which of the following statements is NOT TRUE?AThe two sets of waves moving in different directions tend to cancel each other outBAt the depth of 700 feet，there will be no waves during a violent stormCHigh waves are seldom destructive when they strike the landD The waves affects not only the surface but also the bottom of the seaKey:
