2017年英语四级选词填空练习题附答案.pdfVIP

必威体育精装版 2017 年英语四级选词填空练习题附答案 2017 年英语四级选词填空练习题 After the violent earthquake that shook Los Angeles in 1994, earthquake scientists had good news to report: The damage and death toll( 死亡人数 ) could have been much worse. More than 60 people died in this earthquake. By comparison, and earthquake of similar __1__ that shook America in 1998 claimed 25,000 victims. Injuries and deaths were __2__ less in Los Angeles because the quake occurred at 4:31 a.m. On a holiday, when traffic was light on the city#39;s highway. In addition, __3__ made to the construction codes in Los Angeles during the last 20 years have strengthened the city#39;s buildings and highways, making them more __4__ to quakes. In the past, making structures quake-resist-ant meant firm yet __5__ materials, such as steel and wood, that bend without breaking. Later, people tried to lift a building off its foundation, and insert rubber and steel between the building and its foundation to __6__ the impact of ground vibrations. The most __7__ designs give buildings brains as well as concrete and steel supports, called smart buildings, the structures respond like living organisms to an earthquake#39;s vibrations. When ground shakes and the building tips forward, the computer would __8__ the building to shift in the opposite direction. The new designs should offer even greater __9__ to cities where earthquakes ofen take place. The new smart structures could be very __10__ to build. However, they would save many lives and would be less likely to be damaged during earthquakes. [A]changes [B]flexible [C]decrease [D]recent [E]push [F]reduce [G]relatively [H]safety [I]resistant [J]expensive [K]force [L]accordingly