缝纫丝绸服装时,缝纫机压脚压力应调至()较为适宜。
A. 1kg
B. 3kg
C. 4kg
D. 6kg
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JSP的内置对象中,按作用域由小到大的排列是?:
A. page->request->application
B. request->page->response
C. response->request->application
D. session->application->page
已知表单有一个参数名为“userName”的参数,提交后,能够正确获得表单对象值的代码是:
A. request.getParameter(“userName”);
B. response.getParameter(“userName”);
C. request.getParameter(“username”);
D. request.getParameterValues(“userName”);
JSP内置对象request的getParameterValues()方法返回值是:
A. String[]
B. Object[]
C. String
D. Object