执行lis1 = [x*3 for x in "ABC"]后,lis1结果是( )。 A: ["AAA", "AAA", "AAA"] B: ["BBB", "BBB", "BBB"] C: ["CCC", "CCC", "CCC"] D: ["AAA", "BBB", "CCC"]
执行lis1 = [x*3 for x in "ABC"]后,lis1结果是( )。 A: ["AAA", "AAA", "AAA"] B: ["BBB", "BBB", "BBB"] C: ["CCC", "CCC", "CCC"] D: ["AAA", "BBB", "CCC"]
若有chars[3][3]={"AAA","BBB","CCC"};说明语句,则与它等价的语句是()。 A: char**s={"AAA","BBB","CCC"}; B: char*s[3]={"AAA","BBB","CCC"}; C: chars[][5]={"AAA","BBB","CCC"}; D: chars[][3]={"AAA","BBB","CCC"};
若有chars[3][3]={"AAA","BBB","CCC"};说明语句,则与它等价的语句是()。 A: char**s={"AAA","BBB","CCC"}; B: char*s[3]={"AAA","BBB","CCC"}; C: chars[][5]={"AAA","BBB","CCC"}; D: chars[][3]={"AAA","BBB","CCC"};
定义三个函数如下:int aaa() {printf("hi");}int bbb(){printf("hello"); }int ccc(){ printf("bye"); }若通过指针数组引用三个函数,则正确的语句应该是() A: int (*p[3])()={&aaa,&bbb,&ccc}; B: int *p[3]={ aaa,bbb,ccc}; C: int (*p)[3]={aaa,bbb,ccc}; D: int (*p)()={&aaa,&bbb,&ccc};
定义三个函数如下:int aaa() {printf("hi");}int bbb(){printf("hello"); }int ccc(){ printf("bye"); }若通过指针数组引用三个函数,则正确的语句应该是() A: int (*p[3])()={&aaa,&bbb,&ccc}; B: int *p[3]={ aaa,bbb,ccc}; C: int (*p)[3]={aaa,bbb,ccc}; D: int (*p)()={&aaa,&bbb,&ccc};
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
background:url(2、png),url(1、jpg),url(3、png),url(4、jpg);},表示哪张图片处在最上层() A: 2、png B: 1、jpg C: 3、png D: 4、jpg
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 }
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 }
tRNA分子3′端序列为( ) A: CCA B: CAA C: CCC D: AAC
tRNA分子3′端序列为( ) A: CCA B: CAA C: CCC D: AAC
tRNA分子的3’末端的碱基序列是( ) A: CCA–3’ B: AAA–3’ C: CCC–3’ D: AAC–3’ E: ACA–3’
tRNA分子的3’末端的碱基序列是( ) A: CCA–3’ B: AAA–3’ C: CCC–3’ D: AAC–3’ E: ACA–3’
VALUES语句用于计算或输出一个行合集,以下VALUES语句使用正确的是?() A: INSERTINTOstudents(name)VALUES(’Tom’),(’Cat’); B: VALUES(3*9); C: VALUES(1,’WE’),(2,’ARE’),(3,’GOOD’) D: SELECTVALUES(1,’aaa’),(2,’bbb’),(3,’ccc’)ASt(id,info);
VALUES语句用于计算或输出一个行合集,以下VALUES语句使用正确的是?() A: INSERTINTOstudents(name)VALUES(’Tom’),(’Cat’); B: VALUES(3*9); C: VALUES(1,’WE’),(2,’ARE’),(3,’GOOD’) D: SELECTVALUES(1,’aaa’),(2,’bbb’),(3,’ccc’)ASt(id,info);
tRNA分子3末端的碱基序列是() A: CCA B: ACC C: CCC D: CAC
tRNA分子3末端的碱基序列是() A: CCA B: ACC C: CCC D: CAC
(1)1324/140的商是9,余数是?.
(1)1324/140的商是9,余数是?.