单项选择题
A.${d：dateString（addWeek（curDate（）， -1））}
B.${d：dateString[addWeek[curDate[]， -1]]}
C.${d：dateString[d：addWeek[d：curDate[]， -1]]}
D.${d：dateString（d：addWeek（d：curDate（）， -1））}
多项选择题 Given a web application in which the request parameter productID contains a product identifier. Which twoEL expressions evaluate the value of the productID？（）
单项选择题 You are building a dating service web site. Part of the form to submit a client’s profile is a groupIIof radio buttons for the person’s hobbies： 20.<input type=’radio’ name=’hobbyEnum’ value=’HIKING’>Hiking <br> 21.<input type=’radio’ name=’hobbyEnum’ value=’SKIING’>Skiing <br> 22.<input type=’radio’ name=’hobbyEnum’ value=’SCUBA’>SCUBA Diving 23.<!-- and more options --> After the user submits this form， a confirmation screen is displayed with these hobbies listed. Assume thatan application-scoped variable， hobbies， holds a map between the Hobby enumerated type and the displayname. Which EL code snippet will display Nth element of the user’s selected hobbies？（）
多项选择题 A web application allows the HTML title banner to be set using a servlet context initialization parametercalled titleStr. Which two properly set the title in this scenario？（）