单项选择题
某住宅小区工程、基坑开挖深度10m,采用预应力锚杆组合支护结构,在雨季施工阶段,基坑坍塌事故风险增大。下列保证基坑安全的做法中,错误的是( )。
A.雨季施工期间,在坑顶、坑底采取有效的截排水措施
B.发生暴雨、台风等灾害天气后,及时对基坑安全进行现场检查
C.基坑周边原有建筑物设置监测点,安排专人负责监测
D.基坑支护结构构件强度达到设计要求的70%,开挖下层土方
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听力原文:An increasing number of Boxer County residents are losing homes to foreclosurE.The number of homes in foreclosure is up to three percent this year, according to the Foreclosure Listing ServicE.So far, five thousand six hundred and sixty-five Boxer County homes have gone into foreclosure, compared to five thousand five hundred and two homes during the first eight months of last year. In August, seven hundred and thirty-one homes will be sold at the foreclosure auction. That's ten percent higher than the six hundred and sixty-five homes sold at last year's August auction. In nearby Holford County, however, the number of foreclosures is dropping. Holford County has had two thousand four hundred and four homes go into foreclosure this year, an eight percent decrease over the two thousand six hundred and twenty-seven homes that went into foreclosure during the same period last year.What is reported for Boxer County regarding foreclosures?A.Foreclosures are in declinE.B.Foreclosure rates have remained steady.C.The figures for foreclosures are estimates.D.The number of homes in foreclosure is increasing.
A.What
B.Foreclosures
C.
B.Foreclosure
D.
C.The
E.
D.The
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What is reported for Holford County?A.Foreclosures are down from the year beforE.B.It has not yet disclosed figures for foreclosures.C.It has a higher foreclosure rate than Boxer County.D.Foreclosure rates there are the lowest in the statE.
A.Foreclosures
B.
B.It
C.
C.It
D.
D.Foreclosure
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