皮皮学，免费搜题
登录
搜题
【单选题】
窗体如图2.6所示。要求程序运行时,在文本框Text1中输入一个姓氏,单击删除按钮(名称为Command1),则可删除列表框List1中所有该姓氏的项目。若编写以下实现此功能 在调试时发现,如输入“”,可以正确删除所有姓“”的项目,但输入“”,则只删除了“邦”“备”2项,结果如图2.7所示。这说明程序不能适应所有情况,需要修改。正确的修改方案是把For k = 0 To List.ListCount - 1改为 。A.
For k = 0 To List1.ListCount
B.
For k = List1.ListCount - 1 To 0 Step - 1
C.
For k = 1 To List1.ListCount
D.
For k = 1 To List1.ListCount – 1
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Directly he saw her, he fell ______ in love.
A.
from head to foot
B.
head over heels
C.
head and shoulders
D.
toe to toe
【单选题】I do believe that ______ swim across the river, but, in that situation, I ____ do that.
A.
am able; couldn’t
B.
could; was able to
C.
was quite able to; couldn’t
D.
couldn’t was able to
【简答题】Look at the terrible situation I am in! If only I ________ your advice. A) follow B) had followed C) would follow D) have followed
【简答题】4. Seldom do I have seen a
situation which made me so angry.
【简答题】He really did nothing practical, for he ____________ (不是看电视就是睡觉).
【简答题】Seldom do I have seen a situation which made me so angry. __________________________________________________________.
【简答题】Look at the terrible situation I am in! If only I ________ your advice. A) had followed B) would follow C) follow D) have followed
相关题目：