Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potassium nitrate, charcoal, and sulfur.

Câu hỏi liên quan

• He looked like he had been in some strange land where age advanced at a double pace

• Of the much factors that contributed to the growth of international tourism in the 1950’s, one of the most important was the advent of jet travel in 1958.

• Acquisition of certain specific skills can be facilitated from general awareness, education to novel situations.

ZUNIA12

• Choose the best answer: 

  Japan is the…………..developed country in the world.

• The skin receives nearly the third of the blood pumped out by the heart.

• These engines used being started by hand. But now they are started by electricity.

• The accounting supervisor was unpleased to learn that the budget report would not be finished by time.

• Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

  Lawrence is__________ to do this exercise.

• Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

   

  Those students are trying their best in order that to get the scholarship.

• Sawfish are shark-like fish have “saws” of cartilage set with two rows of teeth on their snouts

• Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.
  I really believe that you should let your son _____ his own decisions; he is certainly old enough ____ so.

• Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

  Is the first of March the day _______ the astronaut will come and give a speech at our school?

• Choose the best option to complete the sentences: Let’s go by bus. It’s _______.

• Choose the best answer:
  The dress you bought is of very good quality. It ______ very expensive.

• Chia động từ trong ngoặc cho phù hợp để hoàn thành các câu sau.

  Tim always (blame) _______________ his faults on the others.

• Some birds can travel at speeds approaching one hundred miles an hour, and a few land animals can so.

• As her focus changed, the love poetry that Edna St, Vincent Millay produced in the 1920’s increasing gave way to poetry dealing with social injustice.

• Choose the word(s) OPPOSITE in meaning to the underlined word(s): Men and women equally gain first class degrees.

• Lawrence Robert Klein received the 1980 Nobel Prize in economics for pioneering the useful of computers to forecast economic activity

• No decision will be made about my future appointment until all suitable candidates had been interviewed.