分析下面的程序，写出运行结果。classExercises6_3{classDog{privateStringname;privateintage;publicintstep;Dog(Strings,inta){name=s;age=a;step=0;}publicvoidrun(Dogfast){fast.step++;}}publicstaticvoidmain(Stringargs[]){Exercises6_3a=newExercises6_3();Dogd=a.newDog("Tom",3);d.step=29;d.run(d);System.out.println(""+d.step);}}运行结果是：（）

I ________ (cycle)home yesterday when suddenly a man_______ (step)into theroad in front of me. I________ (go) quite fast but luckily I _________ (manage)to stopin time and ________ (not hit) him.

step1： _________ ____________step 2: ____________step 3: ____________step4: ____________ ___________step 5: ____________step6: ____________step 7: ____________What's more: ___________

What steps can we take to avoid plagiarism ? Answer : Step one:reading and note-taking; Step two: ; Step three: ; Step four: ; Step five: .

Liu Xiang runs! A: What fast boy B: What fast C: How fast D: How a fast

In _____, you organize the support in a paragraph. A: Step 1 B: Step 2 C: Step 3 D: Step 4

step by step表达什么意思?

【单选题】He urged donors to ________ their efforts to send aid to Somalia. A: step on B: step up C: step off D: step down

Look!Lindaisrunning________________(fast)and________________(fast).Iamsureshewillwin.

武术动作中的基本步型有哪些（ ） A: Bow step B: Horse-ride step C: Empty step D: Crouth step