A: 正确
B: 错误
举一反三
- The stage natural caving method is the most economical of all mining methods. If the conditions are suitable, it can also achieve high production capacity. A: 正确 B: 错误
- Set methods are also commonly called ________ methods and get methods are also commonly called ________ methods.
- Selection assembly methods are only suitable for job production and small volumeproduction.
- It’s the strongest natural _____ and can stand very high temperatures and be machine washed. A: production B: gratitude C: fabric D: fabrication
- According to the class, methods of training can be divided into cognitive and behavioral methods.
内容
- 0
There are many calculation methods for petroleum reserves in reservoirs, which can be roughly divided into static methods and dynamic methods.
- 1
Advanced technologies can do all of the following EXCEPT that ______. A: they can find oil deeper in the ground B: they can increase mining efficiency C: they can cultivate microorganisms that produce oil D: they can delay peak oil production
- 2
Which of the following is not a major problem to be solved in mine field development method?( ) A: Mining methods B: Shaft (adit) form C: Number of mining levels D: Layout of main haulage roadway
- 3
Which of the following methods is not the research based on market method? A: Questionnaire B: Data mining C: User interview D: User observation
- 4
What are the sand production prediction methods? A: The DST test B: The adjacent wells C: The acoustic time difference method D: The combined modulus method