第12题: [单项选择]{{B}}Passage One
Questions 26 to 28 are based on the passage you have just heard.{{/B}} A. The earth will get even cooler. B. No species will survive in fifty years. C. 30% of all life forms will become extinct by 2050. D. No sun’s heat can reach the earth at all. 参考答案:C 答案解析:[听力原文]
What will be expected to happen if people continue to produce greenhouse gases
第17题: [多项选择]GB50369-2006《油气长输管道工程施工及验收规范》规定,请指出以下输油管道的检测比例正确规定的是:()。 A. 无损检测首选射线检测和超声波检测 B. 采用射线检测检验时,应对焊工当天所焊不少于15%的焊缝全周长进行射线检测 C. 采用超声波检测时,应对焊工当天所焊焊缝的全部进行检查,并对其中5%环焊缝的全周长用射线检测复查 D. 对通过居民区、工矿企业和穿(跨)越大中型水域管道焊缝,应进行100%超声波检测和射线检测 E. 一二级公路、铁路、隧道的管道环焊缝,以及所有碰死口焊缝,应进行90%超声波检测和射线检测 参考答案:A, B, C, D
第29题: [单项选择]What does the man finally decide to modify his topic A. Hollywood in the 30s and 40s. B. The history of movie studios. C. The history of movie studios in the 30s. D. The history of movie studios in Golden Age. 参考答案:D 答案解析:本题需要考生在听懂第二、三两个话轮的基础上进行归纳。在第二个话轮中,女士先提出narrow it down(将搜索主题缩小),并提出the history of the studios的建议,男士则说