下列数组声明语句中，不正确的是_________。 A: Dim a(3) As Single = {0, 1, 2, 3} B: Dim a%(3) C: Dim a(1, 4) As Single D: Dim a(4) As Single

What did Mr. Yang reserve for the guests? A: 3 single rooms B: 3 double rooms C: 2 single rooms D: 2 double rooms

对于CAT2、CAT3自动进近、着陆和滑跑，下列说法正确的是（）。 A: 至少有一部AP必须接通APPR方式，且在FMA上必须显示“CAT2”，“CAT3_SINGLE”或“CAT3_DUAL” B: 两部AP必须接通APPR方式，且在FMA上必须显示“CAT2”，“CAT3_SINGLE”或“CAT3_DUAL” C: 至少有一部AP必须接通APPR方式，且在FMA上必须显示“CAT3_SINGLE”或“CAT3_DUAL” D: 两部AP必须接通APPR方式，且在FMA上必须显示““CAT3_SINGLE”或“CAT3_DUAL”

下列数组声明语句中，不正确的是_________。 A: Dim a(9) As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} B: Dim a() = {1, 2, 3, 4, 5, 6, 10} C: Dim a( ,) As Single = {{1, 2, 3, 4, 5}, {6, 7, 8, 9, 10}} D: Dim a() As Single = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} E: Dim n As Integer=10Dim a(n) As Single

下列数组声明语句中正确的是（ ）。 A: Dim A(9) As Single = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } B: Dim A( ) As Single = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } C: Dim A( ) As Single = { 1, "abc", "ccc", 4, 5, 6, 7, 8, 9, 10 } D: Dim A( , ) As Single = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }

若Animal是Cat,Dog的父类，则下列选项中，正确的是（） A: Animal animal = new Cat(); B: Animal a = new Cat(); Cat cat = (Cat) a; C: Animal animal = new Dog(); D: Cat cat = (Cat)new Dog();

复习课____ a single man was killed and only 3 wounded . A: No B: Not C: Yet D: As

5 Didn't you see that'blue cat/blue'cat? A: 'blue cat B: blue'cat

若Animal是Cat,Dog的父类，则下列选项中，正确的是（） A: Animal animal = new Cat(); B: Cat cat = (Cat)new Animal(); C: Animal animal = new Dog(); D: Cat cat = (Cat)new Dog();

代码：>;>;>;lst=[3,(1,),'dog','cat']执行是错误的。