Bronze, after being heated by a strong flame, will change color, especially when exposure  to hydrogen .

Câu hỏi liên quan

• Michael has worked in three different companies in three different positions, so he has more work experience than the other applicant’s

• The weightlifter who allegedly took performance-enhancing drugs have been named today.

• The development of professional sports in the United Stated dates back to nineteenth century.

ZUNIA12

• In many areas of the world, people need clothing for protection the weather.

• I’m sorry I missed seeing my old friend at your party. I wish I ______. 

• Recently in the automobile industry, multinational companies have developed to the point where such few cars can be described as having been made entirely in one country.

• The oxygen in the air we breathe has no tasted, smell, and color.

• The shore patrol has found the body of a man who they believe to be the missing marine biologist

• One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

  If I were you, I will go to the dentist’s and have the tooth checked. 

• Above 80 percent of the laborers at the construction site are temporary workers.

• Today there is an unusually large amount of students in the class.

• Interestingly, the United States both produces or uses more crude oil than any other nations

• Colleges in the newly formed United States, in recovering from the adverse effects of the American Revolution, inaugurated a broad curriculum in response of social demands.

• A conductor uses signals and gesture to let the musicians to know when to play various parts of a composition.

• Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface.

• Choose the best option:

  The____ is the air, water and land in or on which people, animals and plants live.

• The steam engine is usually thought of as a relative modern invention, but the Greeks built a kind of steam engine in ancient times

• They agreed with waiting for me if I was late.

• The Joshua tree is marked by their sword shaped leaves and greenish white flowers.

• The children can read the story, _    ?