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     TIJUANA, Mexico-A powerful earthquake swayed (摇动 ) 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 offits down town because of unsteady 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 (地震学家) Lucy Jones said."

Most of Southern Califomia felt this earthquake."

      Sunday aftemoon's earthquake hit hardest in Mexicali, a busi ne8s center along Mexico's border with

California, where authorities said the quake was followed by at least 20 smaller aftershocks, in- cluding ones

of magnitudes 5. 1,4. 5 and 4. 3.

     "It has not stopped trembling in Mexicali," said Baja Califor nia State Civil Protection Director Alfredo

Escobedo on Monday.

     Escobedo said one man was killed when his home collapsed (倒塌) 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 falling objects. Pow er was out in virtually the whole city.

     Susan Warmbier was putting away groceries in the San Diego suburb of Chula Vista when her husband

asked, "Is the house mov ing?"

     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 spokes- man Maurice Luque

said. Coronado Bridge over San Diego Bay was briefly closed as a safety measure.

     Across the border in Tijuana, Mexico, the quake caused build- ings 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 fied 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. 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 swa ying buildings.

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

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

3. 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