【单选题】【消耗次数：1】
这条旋律 “3 4 | 5 6 2 3 | 4 - 1 2 | 3 3 2 2 | 2 1 ||”的节拍为（ ）
①
2/4
②
3/4
③
4/4
参考答案：
复制
纠错
相关题目
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则求差关系A-B。
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则交关系A∩B等于：[填空1]
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则对称差关系A⊕B等于：[填空1]
【判断题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则并关系A∪B的定义域dom(A∪B)等于：{1,2,3,4}。
①
正确
②
错误
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，求交关系A∩B的值域ran(A∩B)。
【单选题】
有20个工人看管机器台数资料如下：2、5、4、4、3、4、3、4、4、2、2、4、3、4、6、3、4、5、2、4，如按以上资料编制分配数列应采用
①
单项式分组
②
等距分组
③
不等距分组
④
以上几种分组均可以
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，求差关系A-B的域fld(A-B)。
【简答题】
设 A = {1, 2=,2, 4=,3, 3=}，B = {1, 3=,2, 4=,4, 2=}，则交关系A∩B的值域ran(A∩B)等于：[填空1]
随机题目
【单选题】
The thieves _____ the possibility of the alarm system sounding
①
overtook
②
overcame
③
overlooked
④
overworked
【单选题】
The human race has already paid a heavy price for its slow _____to environmental threats.
①
response
②
responsibility
③
resolution
④
resistance
【单选题】
Not until three years ago _____ to work outside.
①
he began
②
he begins
③
began he
④
did he begin
【单选题】
I _____him the Christmas gift by mail because he came home during the Christmas holidays.
①
ought to have sent
②
couldn’t have sent
③
must have sent
④
needn’t have sent
【单选题】
My friend and adviser _____ to lend me his money.
①
have agreed
②
has agreed
③
agreed
④
are agreed
【单选题】
When he bent down to tie his shoelace, the belt of his trousers _____.
①
ruined
②
cracked
③
broke
④
split
【单选题】
In today’s newspaper, it _____ that there will be a new election tomorrow.
①
tells
②
states
③
writes
④
records
【单选题】
_____ in the past, at the moment it is a favorite choice for wedding gown.
①
Unpopular has as white been
②
White has been as unpopular
③
Unpopular has been as white
④
Unpopular as white has been