repeat方法描述正确的是（）
A: hello’.repeat（2）//"hellohello"
B: na’.repeat（0）//"na"
C: na’.repeat（2.9）//"nanana"
D: na’.repeat（Infinity）//"nana......"
A: hello’.repeat（2）//"hellohello"
B: na’.repeat（0）//"na"
C: na’.repeat（2.9）//"nanana"
D: na’.repeat（Infinity）//"nana......"
举一反三
- 以下程序段哪段是正确的（） A: declare id int default 0; repeat set id=id+1; end repeat;<br> until id>=10; B: declare id int default 0; repeat set id=id+1; end repeat;<br> until id>=10 C: declare id int default 0; repeat set id=id+1; until id>=10 end repeat; D: declare id int default 0; repeat set id=id+1; until id>=10; end repeat;
- Would you mind ________________that? A: to repeat B: repeating C: repeat D: repeated
- Would you mind ____ that back to me? A: repeat B: repeating C: to repeat
- There is nothing to do but ______ the experiment. A: to repeat B: repeating C: repeats D: D. repeat
- Listen and repeat