Class name, student number score

First, choose:

1, the following statement is true ()

(1) The major rivers in China form a collection.

② 1,,, 2.5 is a set of five elements.

③ A set represents an empty set.

④ Set and set are the same set.

The books in a class form a limited collection.

1 C.5 D.4

2. The correct representation of a set with all non-negative real numbers as elements is ()

A.≥ B. >0 C. D

3. The known set M= ≤ ()

A.B. C. D。

4. The number of subsets of the set M= is ()

a . 32 b . 3 1 c . 16d . 15

5, give the following proposition, the correct is ()

A. let the complete set U=R and A= then CUA=

B let the complete set U=Z, S=N and A=N+, then CSA=0.

C.u =, A= then CUA=

D.u =, A= then CUA=

6. If the set M= is known, then M∩P= ()

A.x=3，y=- 1 B.(3，- 1) C .，- 1 D .，- 1

7, let m =, then the following statement is correct ()

A.M=B.M=C.- 1∈M D。

8. known inequality > a (a >; 0) is 2,

Then the solution set of inequality ≤ A-3 is ()

A. 1 b.r.c.d. < x < 1

9, the following proposition, belongs to the simple proposition is ()

A.60 is divisible by 4 and 5. A parallelogram is not a trapezoid.

C.-2 ≥- 1d.3 is an integer greater than 0.

10, the actual meaning of "x is not greater than y" expressed by mathematical symbols is ()

A.x ≠ y b.x < y and x = y c.x < y d.x < y or x = y.

1 1, let A and B be two sets, then the following is true proposition ().

A. if A B, then a ∩ b = B

B. if A B, A ∪ B = B

C. if A∩B, a b.

D. if A∪B=B, then b a.

12, it is known that P: (X- 1) (X+3) ≥ 0, ≤0 The following statement is true ().

For q, A.p is neither sufficient nor necessary.

B.p. is a necessary and sufficient condition for q.

C.p is a necessary and sufficient condition for q.

fill (up) a vacancy

13, fill in the blanks with,,,.

0.5 Q N R，2

- 1,2 2,- 1

14, M∩N∩CUS is indicated by shaded parts.

UUUU

15, inequality 4x2-4x+1>; The solution set for 0 is

16, giving the following inequality:

① >0 ②