第17题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He is suffering from the difference of time zones. B. He has been studying hard at night. C. He finds biology difficult to learn. D. He has not adjusted to a new culture. 参考答案:A 答案解析:[听力原文]
M: Since I came here, I’ve had to stay up most of the night for the last few days. No matter
第28题: [单项选择]有关确定单桩竖向极限承载力标准值叙述不正确的是()。 A. 甲级建筑桩基应采用现场静载试验确定 B. 当地质条件简单时,乙级建筑桩基应根据静力触探、标准贯入、经验参数等估算,并参照地质条件相同的试桩资料综合确定。当缺乏可参照的试桩资料或地质条件复杂时,应由现场载荷试验确定 C. 对丙级建设桩基,如无原位测试资料时,可利用承载力经验参数估算 D. 丙级建筑桩基也应通过单桩静载试验确定其承载力标准值 参考答案:D
第31题: [单项选择]能迅速到作用部位,起效快的是 A. 1:(2000~5000)高锰酸钾溶液 B. 药用炭二份,鞣酸、氧化镁各一份的混合物5g加温水500ml C. 3%过氧化氢溶液10ml加入100ml水中 D. 1%~2%氯化钠溶液或生理盐水 E. 3%~5%鞣酸溶液上述洗胃液中: 参考答案:B