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【单选题】
在窗体上有1 个名称为CommonDialog1 的通用对话框和1 个名称为Command1 的命令按钮,以及其他一些控件。要求在程序运行时,单击Command1 按钮,则显示打开文件对话框,并在选择或输入了1 个文件名后,就可以打开该文件。下列是Command1_Click 事件过程的两种算法。 算法 1: Private Sub Command1_Click( ) CommonDialog1.ShowOpen Open CommonDialog1.FileName For Input As #1 End Sub 算法2: Private Sub Command1_Click( ) CommonDialog1.ShowOpen If CommonDialog1.FileName<>′′′′ Then Open CommonDialog1.FileName For Input As #1 EndIf End Sub 下列关于这两种算法的叙述中正确的是( )。A.
显示打开文件对话框后若未选择或输入任何文件名，则算法2 会出错，算法1 不会
B.
显示打开文件对话框后若未选择或输入任何文件名，则算法1 会出错，算法2 不会
C.
两种算法的执行结果完全一样
D.
算法1 允许输入的文件名中含有空格，而算法2 不允许
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【单选题】These are ____ books. Li Lin bought some at the Sun Bookstore and Jill bought some at the Blue Sky Bookstore.
A.
Li Lin's and Jill
B.
Li LIn and Jill's
C.
Li Lin and Jill
D.
Li Lin's and Jill's
【单选题】These are ________ books. Li Lin bought some at the Sun Bookstore and Jill bought some at the Blue Sky Bookstore
A.
Li Lin's and Jill
B.
Li Lin and Jill's
C.
Li Lin and Jill
D.
Li Lin's and Jill's
【单选题】These are ________ books. Li Lin bought some at the Sun Bookstore and Jill bought some at the Blue Sky Bookstore.
A.
Li Lin and Jill
B.
Li Lin and Jill's
C.
Li Lin's and Jill
D.
Li Lin's and Jill's
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【简答题】Lin bought two of from the supermarket last Saturday.A. kilogram; chicken B. kilogram; chickens C. kilograms;chicken D. kilograms; chickens
【简答题】连词成句。 1. do, does, your, what, father (?) ____________________________________________________ 2. TV, a, she ,reporter, is (.) ____________________________________________________ 3. go, to, work, doe...
【单选题】Lin bought two of from the supermarket last Saturday.
A.
kilogram; chicken
B.
kilogram; chickens
C.
kilograms; chicken
D.
kilograms; chickens
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