Excel中,要想选定不连续区域,可按()键进行相应操作完成。
A.Shift
B.Ctrl
C.Alt
D.Esc
参考答案:B
--- Why was Mr. Li so happy this morning?
--- Because he was honoured with a(n) _____ for excellence in teaching.
A.present
B.gift
C.award
D.reward
符合级配、塑性指数等技术要求的天然砂砾,可用做( )公路的基层。
A.一级公路
B.二级公路
C.三级公路
D.高速公路
E.四级公路