【判断题】Task 2 in P.17 2 Listen to the sencond part of the conversation and decide whether the following statement are true or false. 2) Jennifer believes that Paul has always been clever.
【单选题】ISO1328-1:1995和ISO1328-2:1997对齿轮及齿轮副规定了()个精度等级,新增了0及精度为最高。
【判断题】Task 2 in P.17 2 Listen to the sencond part of the conversation and decide whether the following statement are true or false. 6) Jennifer is an accountant now.
【判断题】能够产生移动(或者叫做滚动)显示的效果,是通过每隔一段时间更换一组动态显示数据而实现的。
【判断题】Task 2 in P.17 2 Listen to the sencond part of the conversation and decide whether the following statement are true or false. 4)Paul never works overtime.
【简答题】已知lis_2=[‘Name’,’’],则lis_2*2=____,’Address’ in lis_2 =______,len(lis_2)=______。