阅读理解 The orange towers of the Golden Gate Bridge-probably the most beautiful, certainly the most photographed bridge in the world-are visible from almost every point of elevation in San Francisco. The only cleft (穿过) in Northern California's 600-mile continental wall, for years this mile-wide strait was considered unbridgeable. As much an architectural as an engineering feat, the Golden Gate took only 52 months to design and build. Designed by Joseph Strauss, it was the first really massive(庞大的)suspension bridge, with a span of 4200ft, and until 1959 ranked as the world's longest. It connects the city at its northwesterly point on the peninsula to Marin County and Northern California, and was designed to withstand(经受住)winds of up to a hundred miles an hour and to swing as much as 27ft. Handsome on a clear day, the bridge takes on an eerie(阴森森的) quality when the thick white fogs pour in and hide it almost completely. You can either drive or walk across. The drive is the more thrilling of the two options as you race under the bridge's towers, but the half-hour walk across it really gives you time to take in its enormous size and absorb the views of the city behind you and the headlands of Northern California straight ahead. Pause at the midway point and consider the seven or so suicides(自杀) a month who choose this spot, 260ft up, as their jumping-off spot. Monitors of such s speculate that victims always face the city before they leap. In 1995, when the suicide toll from the bridge had reached almost 1000, police kept the figures quiet to avoid a rush of would-be suicides going for the dubious(令人怀疑的)distinction of being the thousandth person to leap. Perhaps the best loved symbol of San Francisco, in 1987 the Golden Gate proved an auspicious (幸运的)place for a sunrise party when crowds gathered to celebrate its fiftieth anniversary. Some quarter of a million people turned up (a third of the city's entire population); the winds were strong and the huge numbers caused the bridge to buckle , but fortunately not to break. 1.The underlined word 'buckle' here means _____ . A. collapse B. crash C. bend D. shake 2.The Golden Gate Bridge was completed in _____ . A. 1922 B. 1995 C. 1937 D. 1959 3.Which of the following is TRUE? A. The Golden Gate is the longest bridge in the world. B. So far about 1000 people killed themselves from the Golden Gate. C. It took the workers 52 months to build the Golden Gate. D. San Francisco had a population of about 750,000 in 1987 4.If you want to enjoy the views of San Francisco from the bridge, you'd better cross the bridge ______. A. by train B. on foot C. by car D. by ship