The"OK"gesturemeans"OK"worldwide.

print('I\'m \"OK\"! ' )的输出结果是？ A: I'm "OK"! B: I'm "OK"!' C: I'm 'OK'! D: I\'m "OK"!

以下程序的运行结果是【 A: OK B: OK,* C: OK* D: O,K

Fill in the blanks according to what you hear. Edward:Excuseme.Iwanttomakeanappointmentforamedical____.Receptionist:Letmesee.I'mafraidTuesdayandWednesdayarefully_____.Howabout3:00 PMonThursday?Edward:Noproblem.Receptionist:What_____doyouwanttotest?Edward:Avisionscreening, colorblindnessinspection, a______testandchestX-ray.Receptionist:OK.Pleasefilloutthisform.Thetotal______is$50.AlsoremembertotakethisformwithyouforThursday'smedicalchecks.

Idioms are _______for an informal letter. A. OK B. Not OK

若有定义语句char s1[]='OK',s2[]='ok';，以下选项中能够输出'OK'的语句是__________。

下列符合c语法的if语句是： A: if 3>5 then printf("Ok!"); B: if 3>5 printf("Ok!") C: if (3>5) then printf("Ok!"); D: if (3>5) printf("Ok!");

想要使用while循环重复打印3次OK,下列代码正确的是? A: a = 0while a < 3: a += 1 print('OK') B: a = 0while a < 10: a += 1 print('OK') C: a = 0while a < 3: a += 1print('OK') D: a = 0while a < 3: print('OK')

12window对象测试2：下列哪个弹窗可以让用户输入内容？ A: window.alert("ok") B: window.confirm("ok?") C: window.prompt("ok?")

字符串替换： echo substr_replace("abcdefg", "OK", 3)."";//abdOK echo substr_replace("abcdefg", "OK", 3,3)."";//abcOKg echo substr_replace("abcdefg", "OK", -2,3)."";//abcdeOK echo substr_replace("abcdefg", "OK", 3,-2)."";//abcOKfg echo substr_replace("abcdefg", "OK", 2,0)."";//abOKcdefg 编辑代码，并输出运行结果