Short-wave radios which  can receive and transmit signal are used by pilots, the police, and amateur operator.

Câu hỏi liên quan

• In human beings, as in other mammal , hairsround the eyes, in ears and in nose prevent dust, insects, and other matters from entering these organs

• Choose the correct answer to each of the following questions. "Though built almost five hundred years ago, the church remained practically______."

• As young man, Darwin showed little promising as a biologist.

ZUNIA12

• Genetic engineering is helping researchers the mysteries of previously incurable diseases so that they can get to its root causes and find cures

• While they were away at the beach, they allowed their  neighbors use barbeque grill.

• Superior to all others woods for shipbuilding, teak also used for furniture, floorin, and general construction

• Carrie Chapman Call organized League of Women Votes after successfully campaign for the constitutional amendment that gave women the right to vote

• Choose the best to complete the sentences: She was a very accomplished pianist. 

• Playing or the national team for first time was an forgot experience for Hong Son

• The authorities are worried about the increase of rug abuse.

• Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. The major stone sections of the Citadel of the Ho Dynasty remain intact thanks to the unique construction techniques.

• AIDS can be transmitted by practicing unsafe sex and receive taint blood from one who is already infected.

• He can do sums more ..    and read faster.

• Choose the correct answer to complete the sentence. "Volunteers believe that some of the _____ people in the world are those who help to bring happiness to others"

• Nobody was watching , so the  boy took the packet of sweets from the shelf and putting it in his pocket

• The instructor advised the students for the procedures o follow in writing term paper

• Kevin never seems to get tired. I wish I _____ his energy. 

• If the water le has raised a little higher, dam would probably have broken

• The winter storm that raced through the area for the last two day moved  today.

• Because there was o evidence against himself, Slade was released