Our ape-men forefathers had no obvious
natural weapons in the struggle for (1) in the open. They had
neither the powerful teeth nor the strong claws of the big cats. They could not
(2) with the bear, whose strength, speed and claws
(3) an impressive " small fire" weaponry. They could not even
defend themselves (4) running swiftly like the horses, zebras
or small animals. If the ape-men had attempted to compete on those terms in the
open, they would have been (5) to failure and extinction. But
they were (6) with enormous concealed advantages of a kind
not possessed by any of their competitors. In the search (7) the pickings of the forest, the ape-men had (8) A. became B. equipped C. posed D. provided [判断题]电容器的开关设备、保护电器和放电装置应保护完好。(地方题)
A.正确 B.错误 [填空题]调速器作用是将车速的大小转换为()信号,与节气门油压一起,共同控制()的工作。
[判断题]桥式起重机的照明信号回路的电源应由起重机主断路器的出线端分接。( )
A.正确 B.错误 [单选题]火灾爆炸危险场所的贮罐和管道内部作业的照明,应采用( )电器。
A.复合型 B.油浸型 C.普通型 D.防爆型 [单项选择]下述药物中易引起顽固性干咳的是()
A. 呋塞米(速尿) B. 洋地黄 C. ACEI类药物 D. 硝苯地平 E. 阿替洛尔 [多选题]私照实践考试标准对无线电通讯、导航系统/设施及雷达服务的要求是( )
A.具备与仅参照仪表飞行时,可供使用的无线电通讯、导航系统/设施及雷达服务相关的必要知识。 B.跑道入口灯 C.服从指令(语音指令)和/或导航系统/设施的引导。 D.判明最低安全高度。 E.保持高度,误差±200英尺(60米);保持航向,误差±20°;保持空速,误差±10海里/小时。 [单项选择]患儿2岁半,病初2天有轻微咳嗽,随后出现高热,体温达40℃烦躁,频繁呕吐,查体:神志清楚,颈项强直,脑膜刺激征阳性,巴宾斯基征阳性;脑脊液检查外观混浊,压力增高,白细胞计数2×10/L,以多核细胞为主,糖2.2mmol/L,蛋白质1100mg/L。引起该病的病原菌最可能是()
A. 大肠埃希菌 B. 肺炎球菌 C. 病毒 D. 结核分枝杆菌 E. 溶血性链球菌 [单项选择]营养不良的饮食原则是()。
A. 由少迅速增至正常 B. 由少逐渐增至正常 C. 高蛋白、低糖、低脂肪饮食 D. 低蛋白、低糖、高脂肪饮食 E. 高蛋白、高能量、含丰富维生素和矿物质饮食 [单项选择]精子在进入宫腔后,能存活
A. 8小时 B. 12小时 C. 2~3天 D. 3~5天 E. 24小时内 我来回答: 提交
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