9、在项目中已经建立了一个JavaBean，其类为bean.Student，该Bean具有name属性，则下面标签用法正确的是( )。
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10、给定TheBean类，假设还没有创建TheBean类的实例，以下( )JSP标准动语句能创建这个Bean的一个新实例，并把它存储在请求作用域。
A.
B.
C.
D.
What is the purpose of using wireless network ( ).
A. Connect mobile device
B. Need for urban development
C. Need for political
D. Need by residents
Which one is not the advantage of Wi-Fi ( ).
A. Low cost
B. Easy to set up
C. Unobtrusive
D. Speed limitless
What is the notable difference between Wi-Fi radio and other radios? ( ).
A. They transmit at frequencies of 2.4 GHz or 5 GHz.
B. They use 802.11 networking standards.
C. The spectrum that Wi-Fi used is not the same with other radio.
D. Wi-Fi radios can transmit on any of two frequency bands.
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