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Passage A Bike-sharing startups in China sport a parade of colorful branding for their nifty-looking bikes—orange for Mobike and yellow for ofo, to name two market leaders among some 30 companies that have jumped into this sector. The race is on for dominance just as it has been with taxi-hailing services. Mobike has drawn more than $300 million from Temasek, Hillhouse Capital, Sequoia Capital and Tencent’s Xuanwu Lab. ofo, its chief rival, has attracted $450 million from Didi Chuxing and DST—not to mention a plug by Apple CEO Tim Cook, who recently visited and rode a bike at ofo. You might say, bike sharing is nothing all that new or exciting. After all, bike-sharing services have popped up in New York City and London. But the business model and technology for bike sharing in China is more advanced than in the West—one more sign of that skillful Chinese micro-innovating gene. In China, you can drop your rented bike wherever you want to instead of at an assigned docking station—thanks to GPS technology that locates and tracks the position for each bicycle. In Beijing and Shanghai, bikes are being dropped randomly at street corners, subway stations, campuses, restaurants, shopping malls and you name it. These branded bikes are starting to crowd city sidewalks so much now that talk is that government regulations could be coming to control parking of the bikes only in authorized specific zones. Just as with Uber and Didi, you can bet that this new startup craze will see price wars and battles to the finish to win—whether it’s an acquisition or an IPO (initial public offering: a company’s first stock offering to the public). Already, these bike-sharing entrants are trying out new business tactics to tackle some of the challenges of bike-sharing efficiency. On a panel I moderated recently at Peking University, Mobike CTO (Chief Technology Officer) and co-founder Joe Xia said the company is having initial success with a recently introduced red packet promotion that rewards bikers for returning their bikes to a designated parking spot. Clever! The bike-sharing services are starting to go global too—at least where flat landscapes and city density makes bicycles a popular form of transportation. Mobike is venturing outside China by entering the Singapore market. To be sure, Mobike does not have an open road—it will compete with Singapore’s own OBike, as other Asian markets begin to adapt this new startup trend. 8. According to Passage A, what makes the bike sharing in China different from the West?
A.
The number of bikes is enormous.
B.
It is very cheap to rent a bike.
C.
The bikes are attractive in appearance.
D.
No assigned docking station is needed.
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【判断题】MCS-51单片机片内RAM的地址空间为64KB。()
A.
正确
B.
错误
【单选题】每个船员在床头墙壁上都有一张应变任务卡,其中包括( )。1应急编号、救生艇号、各种应变信号;2本人在各种应变部署中的任务
A.
B.
C.
①②
【单选题】按照SOLAS公约规定,对机器处所有人值班的船舶,下列叙述哪些是正确的:1.推进机械在同一个时间仅能由一处进行遥控;2.在这些处所可允许有相互连接的控制装置;3.每一处所应有指示在何处控制推进机械的指示器;4.驾驶室和机器处所之间的控制转换只能在主机处所或主机控制室内进行。()
A.
1、2、3、4
B.
1、2、3
C.
1、2、4
D.
2、3、4
【单选题】( )是中国存世最早的山水画杰作。其画法古朴,构图妥帖精妙,运笔工细劲俏,设色绚丽典雅。
A.
《清明上河图》
B.
《游春图》
C.
《雪景山水图》
D.
《富春山居图》
【单选题】按照SOLAS公约规定,对机器处所有人值班的船舶,下列叙述哪些是正确的:1推进机械在同一个时间仅能由一处进行遥控;2在这些处所可允许有相互连接的控制装置;3每一处所应有指示在何处控制推进机械的指示器;4驾驶室和机器处所之间的控制转换只能在主机处所或主机控制室内进行。
A.
①②③④
B.
①②③
C.
①②④
D.
②③④
【单选题】按照SOLAS公约规定,对机器处所有人值班的船舶,下列叙述哪些是正确的:Ⅰ.推进机械在同一个时间仅能由一处进行遥控;Ⅱ.在这些处所可允许有相互连接的控制装置;Ⅲ.每一处所应有指示在何处控制推进机械的指示器;Ⅳ.驾驶室和机器处所之间的控制转换,只能在驾驶室内进行。
A.
Ⅰ~Ⅳ
B.
Ⅰ~Ⅲ
C.
Ⅰ、Ⅱ、Ⅳ
D.
Ⅱ~Ⅳ
【单选题】按照SOLAS公约规定,对机器处所有人值班的船舶,下列叙述哪些是正确的:() Ⅰ.推进机械在同一个时间仅能由一处进行遥控; Ⅱ.在这些处所可允许有相互连接的控制装置; Ⅲ.每一处所应有指示在何处控制推进机械的指示器; Ⅳ.驾驶室和机器处所之间的控制转换只能在主机处所或主机控制室内进行。
A.
Ⅰ~Ⅳ
B.
Ⅰ~Ⅲ
C.
Ⅰ、Ⅱ、Ⅳ
D.
Ⅱ~Ⅳ
【单选题】对于MCS-51单片机,其内部RAM( )。
A.
只能位寻址
B.
只能字节寻址
C.
既可位寻址又可字节寻址
D.
少部分既能位寻址又能字节寻址
【单选题】以下关于传递函数局限性的描述,错误的是
A.
仅适用于线性定常系统
B.
只能研究单入、单出系统
C.
只能研究零初始状态的系统运动特性
D.
能够反映输入变量与各中间变量的关系
【单选题】识图,下图属于哪种通风方式?【图片】
A.
局部机械送风
B.
局部机械排风
C.
全面机械排风
D.
全面机械送风
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