Among all the Long March rockets, Long March 11 is, without question, the star. It’s the first and only solid-fuel rocket in the Long March family. It’s also the first rocket in China that has completed a seaborne mission – from the Yellow Sea in June 2019. And now its successful launch on May 30 from the Xichang Satellite Launch Center in Sichuan province has, again, set new records.
It was the first time that the Long March 11 had been launched from the Xichang Satellite Launch Center. Among its previous eight launches, seven were from Gansu’s Jiuquan Satellite Launch Center and one from the sea. The latest success “has proven its adaptability to different launch sites”, Peng Kunya, the chief designer of the rocket.
A new launch platform was also used in the mission, which helped the rocket better adapt to the new environment. The new platform is highly intelligent, allowing the preparation time of the launch to be significantly reduced. China’s capability to launch rockets in a short time has “reached a new level”, Jin Xin, deputy commander-in-chief of the Long March 11 mission, said in a press conference.
The mission also marked the first use of a 2-meter-diameter fairing (整流罩) on the Long March 11. A fairing is the structure outside of a rocket that is able to streamline the rocket and reduce drag. It’s also what “wraps” satellites, protecting them from the increasing pressure and heat when a rocket travels through the atmosphere. “A fairing measuring 2 meters in diameter leaves more space for satellites,” added Jin.
Long March 11 has indeed proven itself as “the most adaptable carrier rocket in China”, according to Xinhua. But designers didn’t stop there. In fact, they have begun to develop an upgraded version of the Long March 11 – called the Long March 11A – which will be even wider, taller and have greater thrust (推进力). The new model is expected to make its maiden flight around 2022.
28. Which of the following shows Long March 11’s adaptability?
A. It uses the latest solid energy.
B. It has taken many seaborne missions.
C. It was launched at different launch sites.
D. It is the first rocket launched from Xichang.
29. What is the advantage of the new launch platform?
A. It can suit different rockets.
B. It can shorten the preparation time of the launch.
C. It can collect data of the launch intelligently.
D. It can protect the structure of the rocket.
30. What is a benefit of using a 2-meter-diameter fairing?
A. The drag and pressure are reduced.
B. The rocket can better adapt to the environment.
C. It allows more space for satellites.
D. The structure of a rocket changes.
31. What does the underlined word “upgraded” in the last paragraph probably mean?
A. Lightened. B. Simplified.
C. Qualified. D. Advanced.
答案CBCD
It was the first time that the Long March 11 had been launched from the Xichang Satellite Launch Center. Among its previous eight launches, seven were from Gansu’s Jiuquan Satellite Launch Center and one from the sea. The latest success “has proven its adaptability to different launch sites”, Peng Kunya, the chief designer of the rocket.
A new launch platform was also used in the mission, which helped the rocket better adapt to the new environment. The new platform is highly intelligent, allowing the preparation time of the launch to be significantly reduced. China’s capability to launch rockets in a short time has “reached a new level”, Jin Xin, deputy commander-in-chief of the Long March 11 mission, said in a press conference.
The mission also marked the first use of a 2-meter-diameter fairing (整流罩) on the Long March 11. A fairing is the structure outside of a rocket that is able to streamline the rocket and reduce drag. It’s also what “wraps” satellites, protecting them from the increasing pressure and heat when a rocket travels through the atmosphere. “A fairing measuring 2 meters in diameter leaves more space for satellites,” added Jin.
Long March 11 has indeed proven itself as “the most adaptable carrier rocket in China”, according to Xinhua. But designers didn’t stop there. In fact, they have begun to develop an upgraded version of the Long March 11 – called the Long March 11A – which will be even wider, taller and have greater thrust (推进力). The new model is expected to make its maiden flight around 2022.
28. Which of the following shows Long March 11’s adaptability?
A. It uses the latest solid energy.
B. It has taken many seaborne missions.
C. It was launched at different launch sites.
D. It is the first rocket launched from Xichang.
29. What is the advantage of the new launch platform?
A. It can suit different rockets.
B. It can shorten the preparation time of the launch.
C. It can collect data of the launch intelligently.
D. It can protect the structure of the rocket.
30. What is a benefit of using a 2-meter-diameter fairing?
A. The drag and pressure are reduced.
B. The rocket can better adapt to the environment.
C. It allows more space for satellites.
D. The structure of a rocket changes.
31. What does the underlined word “upgraded” in the last paragraph probably mean?
A. Lightened. B. Simplified.
C. Qualified. D. Advanced.
答案CBCD
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