Most earthquakes occur within the upper
15 miles of the earth’s surface. But earthquakes can and do occur at all depths
to about 460 miles. Their number decreases as the depth increases. At about 460
miles one earthquake occurs only every few years. Near the surface earthquakes
may run as high as 100 in a month, but the yearly average does not vary much. In
comparison with the total number of earthquakes each year, the number of
disastrous earthquakes is very small. The extent of the disaster in an earthquake depends on many factors. If you carefully build a toy house with an Erector set, it will still stand no matter how much you shake the table. But if you build a toy house with a pack of cards, a slight shake of the table will make it fall. An earthquake in Agadir, Morocco, was not strong enough to be recorded on distant i A. notice them out at sea. B. find ways to stop them. C. be warned early enough. D. develop warning systems. [单项选择]根据规定,()包括在国内航行船持有的“船舶检验证书簿”中。①船舶证书检验簿;②船舶国籍证书;③防止油污证书;④国际吨位证书。
A. ①-④ B. ①-③ C. ②③ D. ①③④ [单项选择]()能实现不同的网络层协议转换。
A. 集线器 B. 路由器 C. 交换机 D. 网桥 [简答题]腹外疝
[判断题]( )三端集成稳压电路有三个接线端,分别是输入端、接地端和输出端。
A.正确 B.错误 [单选题]总公司负责确定跨局机车长交路并( )公布。
A.定期 B.按时 C.及时 D.长期 [判断题]在地面上拖拉布料杆前端软管;不得延长布料配管和布料杆。
A.正确 B.错误 [单项选择]中风之发生,其根本在于
A. 肝火心火 B. 气虚气逆 C. 风痰湿痰 D. 肝肾阴虚 E. 肝风外风 [单选题]桥长( )的桥是特大桥。
A.500m B.500m以上 C.800m D.1000m [多项选择]关于贝尔面瘫描述正确的是
A. 不伴有其他症状或体征的突发性单侧面瘫 B. 起病急骤,少自觉症状 C. 口角肌抽搐 D. 患侧口角下垂、健侧向上歪斜;不能吹风、鼓气;眼睑闭合不全 E. 有的患者额纹存在 [单选题]银行业从业人员禁止贿赂及为监管者提供不当便利,以下没有违反这一原则的行为是( )。
A.为监管人员提供免费的通信工具 B.为现场检查的监管人员免费提供交通工具 C.为监管人员报销因现场检查支付的费用 D.为监管人员提供现场检查要求的文件 我来回答: 提交
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