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>> 成人高等教育 / 电子商务概论
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成人高等教育 / 电子商务概论
正确率：100%
网络银行按服务对象分可以分为（ ）。
- A、
企业网络银行
- B、
个人网络银行
- C、
纯网络银行
- D、
网络分支银行
佳题速递：
12、遥感图像计算机解译遥感原理与应用 窗台板按设计图示尺寸以面积计算，如设计未注明，长度可按窗洞口两边共加（ ）计算，挑出墙面外的宽度按50mm计算。建筑工程概预算 下面哪个是Windows系统自带分区工具？（ ） 计算机组装与维护 简支梁C截面的剪力影响线上，C左的竖标是a，C右的竖标是b，下列论述正确的是结构力学 题型描述: 阅读理解 The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 incidents that could have been caused by electromagnetic interference. The source of this interference remains unconfirmed, but increasingly, experts are pointing the blame at portable electronic device such as portable computers, radio and cassette players and mobile telephones.RTCA, an organization which advises the aviation (航空) industry, has recommended that all airlines ban (禁止) such devices from being used during “critical” stages of flight, particularly take-off and landing. Some experts have gone further, calling for a total ban during all flights. Currently, rules on using these devices are left up to individual airlines. And although some airlines prohibit passengers from using such equipment during take-off and landing, most are reluctant to enforce a total ban, given that many passengers want to work during flights.The difficulty is predicting how electromagnetic fields might affect an aircraft’s computers. Experts know that portable device emit radiation which affects those wavelengths which aircraft use for navigation and communication. But, because they have not been able to reproduce these effects in a laboratory, they have no way of knowing whether the interference might be dangerous or not.The fact that aircraft may be vulnerable (易受损的) to interference raises the risk that terrorists may use radio systems in order to damage navigation equipment. As worrying, though, is the passenger who can’t hear the instructions to turn off his radio because the music’s too loud.高级英语I 股市波动的风险属于（）保险学