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。
218
218
Alpha2的尺寸为()? A: 448*218*122mm B: 438*218*122mm C: 438*228*122mm D: 438*218*132mm
Alpha2的尺寸为()? A: 448*218*122mm B: 438*218*122mm C: 438*228*122mm D: 438*218*132mm
【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
【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
已知373.15K下H2O(l)的标准摩尔汽化焓为40.67kJ/mol。2molH2O(l,373.15K,100kPa)在定温定压下汽化为H2O(g,373.15K,100kPa)时,过程的△S=()J/K A: 237 B: 201 C: 218 D: 109
已知373.15K下H2O(l)的标准摩尔汽化焓为40.67kJ/mol。2molH2O(l,373.15K,100kPa)在定温定压下汽化为H2O(g,373.15K,100kPa)时,过程的△S=()J/K A: 237 B: 201 C: 218 D: 109