定义一个集合数据对象,错误的是: A: x = { 201, ’flg’, 20.3} B: x = ( 200, ’flg’, 20.3) C: x = [ 201, ’flg’, 20.3 ] D: x = {‘flg’ : 20.3}
定义一个集合数据对象,错误的是: A: x = { 201, ’flg’, 20.3} B: x = ( 200, ’flg’, 20.3) C: x = [ 201, ’flg’, 20.3 ] D: x = {‘flg’ : 20.3}
两浮点数 x=0.1101 ´210 , y=(0.1011) ´201, 求x+y。
两浮点数 x=0.1101 ´210 , y=(0.1011) ´201, 求x+y。
<4>设x=62,表达式x>=60&&x<70||x==1的值为.
<4>设x=62,表达式x>=60&&x<70||x==1的值为.
【单选题】You can find him in__ . A. Room 201 B.201 Room C. the Room 201 D. the 201 Room A. Room 201 B. 201 Room C. the Room 201 D. the 201 Room
【单选题】You can find him in__ . A. Room 201 B.201 Room C. the Room 201 D. the 201 Room A. Room 201 B. 201 Room C. the Room 201 D. the 201 Room
函数f(x)=x3-3x的递减区间是( ) A: (-∞,-62)或(62,+∞) B: (-1,1) C: (-∞,-1)或(1,+∞) D: (-62,62)
函数f(x)=x3-3x的递减区间是( ) A: (-∞,-62)或(62,+∞) B: (-1,1) C: (-∞,-1)或(1,+∞) D: (-62,62)
【单选题】Supposethepriceindexwas100in2014,109in2015,andtheinflationratewaslowerbetween2015and2016thanitwasbetween2014and2015.Thismeansthat A. th e pric e inde x i n 201 6 wa s lowe r tha n 109.0 B. th e pric e inde x i n 201 6 wa s lowe r tha n 118.9 C. th e pric e inde x i n 201 6 wa s lowe r tha n 118.0 D. th e inflatio n rat e betwee n 201 5 an d 201 6 wa s lowe r tha n 1.0 9 percent
【单选题】Supposethepriceindexwas100in2014,109in2015,andtheinflationratewaslowerbetween2015and2016thanitwasbetween2014and2015.Thismeansthat A. th e pric e inde x i n 201 6 wa s lowe r tha n 109.0 B. th e pric e inde x i n 201 6 wa s lowe r tha n 118.9 C. th e pric e inde x i n 201 6 wa s lowe r tha n 118.0 D. th e inflatio n rat e betwee n 201 5 an d 201 6 wa s lowe r tha n 1.0 9 percent
表达式 (x=100,y=200)+!(0 A: 100 B: 200 C: 101 D: 201
表达式 (x=100,y=200)+!(0 A: 100 B: 200 C: 101 D: 201
已知:两浮点数x = 0.1101×210,y = 0.1011×201 (指数为二进制数) 求:x + y,写出计算过程
已知:两浮点数x = 0.1101×210,y = 0.1011×201 (指数为二进制数) 求:x + y,写出计算过程
下列表达式的值是多少? 1. 201 / 4 2. 201 % 4 3. 201 / 4.0
下列表达式的值是多少? 1. 201 / 4 2. 201 % 4 3. 201 / 4.0
【单选题】下面的代码: var person = {fname:"Bill", lname:"Gates", age:62}; var text = ""; for (var x in person) { text += person[x]; } 循环结束后,text的值为:() A. BillGates62 B. Bill C. Gates D. 62
【单选题】下面的代码: var person = {fname:"Bill", lname:"Gates", age:62}; var text = ""; for (var x in person) { text += person[x]; } 循环结束后,text的值为:() A. BillGates62 B. Bill C. Gates D. 62