Gold, silver, and copper coins are often alloyed whit harder metals to make them hard as enough withsta wear.

Câu hỏi liên quan

• Choose the underlined word or phrase that needs correcting: 

  Vietnam has established many national parks to protect wildlife.

• The firstly naval battle of Revolutionary War was fought off the coast of Machias, Maine, in June 1775

•  If it  .............. for the heavy storm, the accident would not have happened.

ZUNIA12

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

• Choose the letter A, B, C or D to complete the sentences. " I’d rather you didn’t take a noise last night; I ______get to sleep."

• Choose the correct answer to complete the sentence.  "He has been living with his cousin _____ 5 months, but he's looking for a place close to his university. "

• The word "perish"  is closest in meaning to ______.

• A pharmacist’s ethical standards have to be high because he is entrusted to storage and distribution of dangerous drugs

• Generally speaking, a magni 1.0 earthquake on the Richter scale is detected by instruments but not by person.

• Everyone who has traveled across the United States by car, train, or bus are surprised to see such a large expanse of territory with such variation among the lifes of the people.

• You have to use a magnifying glass so that see some of the minute details.

• People with exceptionall high intelligence quotients may not be the best employ since they become bored of their work unless the job is constantly changing)

• The number teaching assistants required meeting undergraduate course needs is rapidly increa

• Weplanned to go to movies, but, because of the amount of work I had, I spent evening to study

• The Red River, so named because of the red-colored sediment it carries, it is on of th branches of the Missippi

• ............. extremely bad weather in the mountains, we are no longer considering our skiing trip.

• It was a nasty memory. Do you remember both of us wearing sunglasses to avoid ............   by the supervisors?

• He has been hoped for a raise for the last four months, but his boss is reluct to give him one

• When radio programs became popular, approximately in 1925, many people stopped attending movies.

•  If the sea biodiversity were not maintained, marine life  .........  at stake.