【单选题】Questions 20 to 22 are based on the passage you have just heard.
A.
They may have to continue to work in old age.
B.
They may regret the time they wasted.
C.
They may have nobody to depend on in the future.
D.
They may have fewer job opportunities.
【多选题】Spring实现了( )两种基本设计模式。【选两项】
【单选题】You may depend _____him. He is an honest man.
【单选题】石板墙面弹线应先量出中心线、测设标准水平线、()、量弹石板材各分块线。
【简答题】执行语句 for(i=0; i<10; i++) ;结束后,i的值是__________
【多选题】建设工程施工由于受技术、经济条件限制,对环境的污染不能控制在规定范围内的,建设单位应当会同施工单位事先报请( )批准。
【简答题】执行语句 for(i=10 ; i>0;i--,); 后,变量 i 的值是 ___________ 。