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1、 2022职称英语理工类B阅读试题1A Great Quake Coming? Everyone who lives in San Francisco knows that earthquakes are common in the bay area and they can be devastatingIn 1906，for example，a major quake destroyed about 28，000 buildings and killed hundreds，perhaps thousands of peopleResidents now wonder when the nex
2、t“Big One“will strikeIt”s bound to happen somedayAt least seven active fault(断层)lines run through the San Francisco areaFaults are places where pieces of Earth”s crust(地壳)slide past each otherWhen these pieces slip，the ground shakes To prepare for that day, scientists are using new techniques to rea
3、nalyze the 1906 earthquake and predict how bad the damage might be when the next one happens One new finding about the 1906 earthquake is that the San Andreas fault split apart faster than scientists had assumed at the timeDuring small earthquakes，faults rupture(断裂)at about 2.7 kilometers per second
4、During bigger quakes，however，ruptures can happen at rates faster than 3.5 kilometers per second At such high speedsmassive amounts of pressure build up，generating underground waves that can cause more damage than the quake itselfLucky for San Francisco，these pressure pulses(脉冲)travel away from the c
5、ity during the 1906 eventAs bad as the damage was，it could have been far worse Looking ahead，scientists are trying to predict when the next major quake will occurRecords show that earthquakes were common before 1906Since then，the earthquake has been relatively quietPatterns in the data，however，sugge
6、st that the probability of a major earthquake striking the Bay Area before 2032 is at least 62 percent New buildings in San Francisco are quite safe in case of future quakesStill，more than 84 per-cent of the city”s buildings are old and weakAnalyses suggest that another massive earthquake would caus
7、e extensive damage People who live there tend to feel safe because San Francisco has remained pretty quiet for a whileAccording to the new reseaych，however，it”s not a matter of“if the Big One will hit“It”s just a matter of when 16The San Francisco area is located above several active fault lines ARi
8、ght BWrong CNot mentioned 17The 1906 earthquake in San Francisco is the most severe one in American history ARight BWrong CNot mentioned 18The highest speed of fault ruptures in the 1906 quake was more than 3.5 kilometers per second. ARight BWrong CNot mentioned 19Earthquakes rarely happened before 1906 ARight BWrong CNot mentioned 20San Francisco is fully prepared for another big earthquake ARight BWrong CNot mentioned
