TIJUANA,Mexico-Apowerfulearthquakeswayed（搖動）buildingsfr...

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TIJUANA, Mexico - A powerful earthquake swayed （搖動） buildings from Los Angeles to Tijuana, killing two people in Mexico, blacking out cities and forcing the evacuation （疏散） of hospitals and nursing homes．One California city closed off "its downtown due to unstable buildings．

       The 7．2-magnitude quake centered just south of the US border near Mexicali was one of the strongest earthquakes to hit region in decades．

       "It sounds like it's felt by at least 20 million people," USGS seismologist Lucy Jones said．"Most of Southern California felt this earthquake．"

       sunday afternoon's earthquake hit hardest in Mexicali, a commerce center along Mexico's border with California, where authorities said the quake was followed by at least 20 smaller aftershocks, including ones of magnitudes 5．1, 4．5 and 4．3．

       "It has not stopped trembling in Mexicali," said Baja California state Civil Protection Director Alfredo Escobedo on Monday．

       Escobedo said one man was killed when his home collapsed just outside of Mexicali and another died when he rushed into the street in panic and was struck by a car．At least 100 people were injured in the city, most of them struck by tailing objects．Power was out in virtually the entire city．

       Susan Warmbier was putting away groceries in the Sail Diego suburb of Chula Vista when her husband asked, "Is the house moving?"

       Elsewhere in San Diego, there were reports of shattered windows, broken pipes and water main breaks in private buildings, but no reports of injuries, San Diego Fire-Rescue Department spokesman Maurice Luque said．Coronado Bridge over San Diego Bay was briefly closed as a precaution．

       Across the border in Tijuana, Mexico, the quake caused buildings to sway and knocked out power in some areas．No tsunami warning was issued, but hundreds of people on Tijuana's crowded beach feared the worst and fled when they felt the ground shake．

1．What's the best title of the passage?

       A．A strong quake in Mexico, but no tsunami

       B．A strong quake kills 2 in Mexico, frightens US states

       C．A strong quake, downtowns closed off

       D．A strong quake, buildings collapses

2．The 7．2-magnitude quake _____．

       A．centered just south of the Mexico

       B．was felt by 20 million people in Mexico

       C．was felt by most of Southern California

       D．was the strongest earthquakes to hit region in centuries

3．Which is NOT true according to the passage?

       A．Some cities had power failure after the quake．

       B．One of the cities closed off its downtown because of the swaying buildings．

       C．Many smaller quakes happened after the 7．2-magnitude one．

       D．Hundreds of people on the beach died because of the tsunami．

4．People got injured mostly _____．

       A．because they were in panic

       B．because the power was out in the whole city

       C．because of the falling objects

       D．because they were buried under the falling objects

5．Coronado Bridge over San Diego Bay was briefly closed _____．

       A．to avoid further dangers

       B．by the San Diego Fire-Rescue Department

       C．as a reminding of the quake

       D．to prevent the bridge from destroying

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