1.单选题- (共12题)
4.
已知集合A={x|x>2},集合B={x|x>3},以下命题正确的个数是 ( )
①∃x0∈A,x0∉B;②∃x0∈B,x0∉A;③∀x∈A,都有x∈B;④∀x∈B,都有x∈A.
A. 4
①∃x0∈A,x0∉B;②∃x0∈B,x0∉A;③∀x∈A,都有x∈B;④∀x∈B,都有x∈A.
A. 4
A.3 | B.2 | C.1 |
11.
(5分)设x∈Z,集合A是奇数集,集合B是偶数集.若命题p:∀x∈A,2x∈B,则()
A.¬p:∃x∈A,2x∈B | B.¬p:∃x∉A,2x∈B |
C.¬p:∃x∈A,2x∉B | D.¬p:∀x∉A,2x∉B |
2.选择题- (共3题)
15.
In choosing ________ career, you should first consider ________ type of work which will suit your interest
In choosing ________ career, you should first consider ________ type of work which will suit your interest
3.填空题- (共7题)
试卷分析
-
【1】题量占比
单选题:(12道)
选择题:(3道)
填空题:(7道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:0
9星难题:19