下列正确的语句是（ ） A: FOR X=1 TO 10 STEP -2 B: FOR X$=1 TO 9 STEP 3 C: FOR 1X=10 TO 100 STEP 10 D: FOR X1=10 TO 50

Step 9: Write your host a thank-you ______ or email.Send a small token of appreciation.

step1:step2:step3:step4:step5:step6:step7:step8:step9:step10:

step1:step2:step3:step4:step5:step6:step7:step8:step9:step10:

循环语句 For i = 9 To -3 Step -3 的执行次数是__________。

利用数值选择控件的min、max、step和value规定数值选择控件只能输入9至99之间的奇数，且初始值为27？能实现该功能的选项是（ ）。 未知类型：{'options': ['[input type="range" name="oddnumber" value="9" min="27" max="99" step="2" /]', '[input type="number" name="oddnumber" value="9" min="27" max="99" step="2" /]', '[input type="range" name="oddnumber" value="27" min="9" max="99" step="2" /]', '[input type="number" name="oddnumber" value="27" min="9" max="99" step="2" /]'], 'type': 102}

9、The first step in learning a language is______. A: reading B: speaking C: writing D: hearing

由 "For i=1 To 9 Step -3" 决定的循环结构,其循环体将被执行

下列程序执行后，sum的结果是________。Dim sum As IntegerFor i = 1 To 4 Step 2 For j = 1 To i Step 2 sum += j NextNext A: 6 B: 9 C: 5 D: 7

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