题型:判断题 以下代码的执行结果是 <script language=vbsefipt>sum=0 for i=0 to 10 step 2sum=sum+inextdocument.write(sum) </script>【 】A.20 B.25 C.30 D.55 查看答案
题型:判断题 (2010·福建)The girl had hardly rung the bell ________ the door was opened suddenly,and her friend rushed out to greet her.A.beforeB.untilC.asD.since 查看答案