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【简答题】
5T-2 程序填空题:输入一个华氏温度F,转换为摄氏温度C并显示, 转换公式为:C=5/9(F-32)。要求:采用InputBox()函数输入华氏温度F,采用MsgBox方法显示摄氏温度C。请按顺序写出下划线处的代码。 Dim c!, f! ______( "请输入华氏温度 f :", " 输入" ) c=5/9*(f-32) Msgbox "华氏温度 f: " & ___ & ___ & "摄氏温度 c: " & ___
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【单选题】I think watching TV is very . You can really learn a lot.
A.
unusual
B.
relaxing
C.
educational
【单选题】(2013·高考天津卷)I think watching TV every evening is a waste of time—there are________ meaningful things to do.
A.
less
B.
more
C.
the least
D.
the most
【简答题】已知行列式的第一列的元素为1,4,-3,2,第二列元素的代数余子式为2,3,4, x 问x=
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【简答题】I think watching TV is (boring)thing at home.
【简答题】四阶行列式的第二行元素分别为 ;第四行对应元素的代数余子式值分别为 ,则 的值是____。
【单选题】I think watching TV every evening is a waste of time---there are _______ things to do.
A.
meaningful
B.
meaningless
C.
more meaningful
D.
less meaningless