沙漠之舟骆驼,能在松散的沙漠中顺利行走而不会陷下去,这是因为( ) A.骆驼的重

题型:选择题

问题:

沙漠之舟骆驼,能在松散的沙漠中顺利行走而不会陷下去,这是因为(  )

A.骆驼的重量轻

B.骆驼跑得快

C.骆驼的耐力大

D.骆驼脚掌面积大压强小

考点:增大和减少压强的办法
题型:选择题
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题型:选择题

全面系统的学习方法是指()。

A.学习医学伦理学必须做到理论与实践相结合

B.系统地学习医学伦理学的基本理论、范畴、规范和原则

C.把医德观点和医德规范准则放在所处的历史时代去理解

D.把历史上的一切医德理论和规范都继承下来

E.把医学伦理学的一切理论、道德原则和规范都背诵下来

题型:选择题

江河、湖泊治理和防洪工程设施建设的基本依据是( )。

A.区域规划

B.水资源综合规划

C.防洪规划

D.流域规划

题型:选择题

计算题:

用酚二磺酸光度法测定水中硝酸盐氮时,取10.0ml水样,测得吸光度为0.176.校准曲线的回归方程为y=0.0149x+0.004(x为50ml水中NO3-N微克数),求水样中NO3—N和NO3-的浓度。

题型:选择题

导游小宋接待了一行来自英国的18人的旅行团,负责其在南京两天的游览活动。第一天游览完毕后,用过晚餐后,游客各自回房休息,可没过多久,旅游团内的方先生向小宋反映他放在枕头底下的钱包不见了,内有若干现金及护照。小宋得知这一情况后,立即到方先生客房与方先生一起寻找,但没有结果。接着小宋又与饭店保安部门联系,请求帮助查找,仍然未果。最后,小宋向当地公安部门报了警,公安人员赶到现场,可现场已乱糟糟。

如果方先生的钱包中的护照确系丢失,小宋应该______。

A.由遗失地地接社出具证明

B.失主本人持证明和相片去遗失地公安局(外国人出入境管理处)报失

C.由公安局出具遗失证明

D.持公安局的遗失证明去所在国驻华使、领馆申请补办新护照

E.领到新护照后,再去公安局(外国人出入境管理处)补办签证手续

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