Ancient Egypt Brought Down by
Famine Even ancient Egypt’s mighty pyramid (金字塔) builders were powerless in the face of the famine (饥荒) that helped bring down their civilization around 2180 B.C. Now evidence collected from mud deposited by the River Nile suggests that a shift in climate thousands of kilometers to the south was ultimately to blame—and the same or worse could happen today. The ancient Egyptians depended on the Nile’s annual floods to irrigate their crops. But any change in climate that pushed the African monsoons (季风) southwards out of Ethiopia would have reduced these floods. Declining rains in the Ethiopian highlands would have meant fewer plants to stabilize the soil. When rain did fall it would have washed large amounts of soil into the Blue Nile and into Egypt A. immediately after a period of drought B. immediately after a period of flood C. just before a drought struck D. just before a flood struck [判断题]根据《安全生产许可证条例》,省、自治区、直辖市人民政府应急管理部门负责民用爆炸物品生产企业安全生产许可证的颁发和管理。
A.正确 B.错误 [填空题]站台门处理原则()。
[单选题]小军7岁,父母及祖父母均已离世,与姑姑共同生活,其外祖父母偶来看望。近期,姑姑出差,请保姆小王住家照顾小军。姑姑因疫情未按时回家,小王便将小军送到派出所,此时,应对小军履行监护职责的主体是( )。
A.小军外祖父母 B.小军姑姑 C.保姆小王 D.派出所 [多项选择]以下行为,哪项不构成不正当竞争行为
A. 甲厂产品发生质量事故,舆论误指为乙厂产品,乙厂公开说明事实真相 B. 甲汽车厂不满乙钢铁厂起诉其拖欠货款,散布乙厂产品质量低劣的虚假事实 C. 甲火柴厂捏造乙火柴厂偷工减料的事实,但只告诉了乙厂的几家客户 D. 甲彩电厂散布乙彩电厂售后服务差的虚假事实,虽未指名,但一般人可以推知 [判断题]两台同型号的泵并联工作时,扬程等于单台泵的扬程,流量等于两台泵独立工作时流量之和。
A.正确 B.错误 [单选题]下列关于法的效力的说法正确的是( )。
A.法律不经公布,就不具有效力 B.一切法律的效力级别高低和范围大小是由刑法、民法、行政法等基本法律所规定的 C.“法律仅仅适用于将来,没有溯及力”,这项规定在法学上被称为“从新原则” D.法律生效后,应该使一国之内的所有公民知晓,所谓“不知法者得免其罪” [多选题]根据《建设工程施工合同(示范文本)》(GF-2013-0201),下列事项应纳入工程变更范围的有()。
A.改变工程的标高 B.改变工程的实施顺序 C.提高合同中的工作质量标准 D.将合同中的某项工作转由他人实施 E.工程设备价格的变化 [多项选择]关于无形资产摊销,会计与税法的规定相同的有()。
A. 无形资产采用直线法进行摊销 B. 无形资产应自取得当月起进行摊销 C. 所有无形资产都应该进行摊销 D. 无形资产应采用账面价值与可收回金额孰低法进行期末计价 [单选题]边坡清筛时,轨枕端至挖掘斗间应保持( )mm距离。
A.100 B.150 C.200 D.300 [多选题]以下手势的描述正确的是 。
A.方向指示 为客户指示方向时, 上身略向前倾, 手臂伸直, 五指自然并拢, 掌心稍稍向上, 目光面向客户方向以肘关节为支点, 指向目标方向 B.阅读指示 为客户进行阅读指示时, 五指并拢, 指向阅读内容, 面带微笑, 同客户有目光交流, 并有语言配合 C.示意入座 示意客户入座时, 四指并拢, 拇指微微张开, 掌心微微向上,指向座椅, 面带微笑, 目光注视客户, 并配有热情亲切的语言请客户入座 D.邀请示意 为准确邀请某位客户, 可面向客户, 手心向上, 不断弯曲四指, 邀请客户 [单选题] 人身触及带电体或接近高压带电体时, 使人身成为电流( )的一部分的叫作触电。
A.通路 B.短路 C.断路 D. 电压 [单项选择]Today, the world wide web can be used both to search information and to make it (31) to others. Information (32) on webpages is viewed by (33) of browser. The sources of information linked in this way can be located on any computer (34) is also part of the web. Each information source may be linked to an (35) number of other webpages. Hypertext and hyperlinks allow users (36) as receivers of information to (37) from one source of information to another, deciding for themselves which information they wish to (38) to their browser and which links they want to (39) . The addresses of (40) can be found by using the hundreds of search engines which provide (41) to databases which hold information on them. Once a webpage has been found, hyperlinks may point (42) other places of interest on the web. Addresses of webpages also appear in other more (43) media, such as magazines
A. beyond B. over C. against D. further [判断题]CRH380A统型车的每节动车有4台牵引电机。
A.正确 B.错误 [多选题] 根据《治安管理处罚法》的规定,下列表述正确的是()。
A. 盲人违反治安管理的,可以从轻处罚 B. 又聋又哑的人违反治安管理的,应当减轻处罚 C. 又聋又哑的人违反治安管理的,可以减轻处罚 D. 盲人违反治安管理的,可以不予处罚 [多选题]在电力通信设备上工作的注意事项,以下哪些说法是正确的?()
A.安装电力通信设备前,宜对机房作业现场基本条件、电力通信电源负载能力等是否符合安全要求进行现场勘察。 B.拔插设备板卡时,应做好防静电措施。 C.电力通信设备除尘应使用合格的工器具和材料。 D.在更换存储有运行数据的板件时,应先备份运行数据。 [单选题]关于神经症的睡眠障碍,以下叙述正确的是( )
A.失眠一般分为两种形式,即入睡困难、易惊醒 B.早醒是抑郁症的症状,而不是神经症的症状 C.失眠主要表现为睡眠时间短或质量差,或者是对睡眠缺乏自我满足的体验 D.神经症患者以易惊醒为主诉最为多见 E.应用地西泮治疗神经症的失眠,疗程以3~6个月为宜 我来回答: 提交
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