1. Sets, elements and their relationships

2. Representation of sets

3. Relationship between sets (subset, proper subset, equation)

4. Set operations (intersection, union and complement)

5. Sufficient conditions, necessary conditions and necessary and sufficient conditions

(2) Inequality

1. Method of comparing the sizes of real numbers (or algebraic expressions)

2. Basic properties of inequality

3. The concept of interval

4. Unary quadratic inequality

5. Absolute inequality

(C) the concept and basic properties of the function

1. Functional concept

2. Monotonicity of functions

3. The parity of the function

4. Simple application of functions

(4) Exponential function, logarithmic function and power function

Exponential power of 1. rational number and its operation

2. Images and properties of exponential function

3. The concept and operation of logarithm (including ordinary logarithm and natural logarithm)

4. Images and properties of logarithmic functions

5. Practical application of exponential function and logarithmic function

6. Several simple power functions