Which of the following is not chamber blasting? ( ) A: Shallow hole blasting B: Collapse blasting C: Discard blasting D: Loose blasting

The Nian monster is scared of the red color, firelight and blasting sounds.

At present, the methods of ore and rock loosening and crushing are mechanical loosening and crushing, blasting, loose and broken method.

Which of the following is the ore breaking methods?( ) A: Artificial ore breaking B: Mechanical and hydraulic ore breaking C: Rock drilling and blasting D: The other three options all meet the requirements

同学们听力的音频在题目的最下面。Section ADirections:In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B) C) and D). Then mark the corresponding letter on Answer Sheet I with a single line through the center.Questions 1 and 2 are based on the news report you have just heard. 1. A) It marked the country's rapid economic recovery.B) It marked the establishment of the capital city.C) It marked the end of the war in South American nations.D) It marked the beginning of the country's fight for independence.2. A) They want him out of office. B) They totally support him.C) They expect him to save the economy.D) They have threatened to capture him.Questions 3 and 4 are based on the news report you have just heard.3. A) It is spreading in the whole world.B) It is threatening supplies of bananas.C) It is a disease spread by bananas.D) It is discovered in Australia first.4. A) Potato. C) Wheat.B) Apple. D) Tomato. Questions 5 to 7 are based on the news report you have just heard.5. A) Achieving peace in the Middle East.B) Celebrating the progress down the road.C) Working together to reach an agreement.D) Offering help to people in the Middle East.6. A) A trust from President Trump.B) An opportunity to negotiate peace.C) A historic Middle East peace treaty.D) A prosperous future for Palestine.7. A) Because President Trump will not offer any help.B) Because several leaders have attempted but failed.C) Because some progress has been made down the road.D) Because the situation in the Middle East is complicated.Section BDirections:In this section, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A),B) C0 and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre. Questions 8 to 11 are based on the conversation you have just heard.8. A) Her neighbors ' son drives too fastB) Her neighbors 'son's radio wakes her children at night.C) She hasn't met her neighborsD) Her neighbors are too noisy9. A) Because she doesn't want to make a bad first impressionB) Because she is afraid of meeting them.C) Because she is afraid that they won't listenD) Because she knows that they can't do anything about it.10. A) She should call the neighbors to complainB) She should introduce her children to the neighbors.C) She should bring the neighbors a gift and talk about the matter.D) She should wait in order to be polite11. A) It is difficult for Alison to get her children to go to sleep again at night.B) The neighbors' son always comes home very lateC) Alison finds it hard to complain to her new neighbors about their son. D) Alison is annoyed by her neighbors’' son blasting stereo all night.[音频]