A. 对 B. 错
A. TXT B. DOC C. XLS D. WPS
A. ENTER B. CTRL+ENTER C. SHIFT+ENTER D. CTRL+SHIFT+ENTER
A. WORK1,WORK2,WORK3 B. DOCUMENT1,DOCUMENT2,DOCUMENT3 C. BOOK1,BOOK2,BOOK3 D. SHEET1,SHEET2,SHEET3