A light year is the distance that light travels in one year calculated by using the speed of 186,284 miles the second as a base.

Câu hỏi liên quan

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

  I couldn't unlock it__________ I had the wrong key.

• Cho dạng đúng của động từ trong ngoặc để hoàn thành các câu sau:

  Unless she (study) _____________ hard, she won’t pass the exam.

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

  The doctor suggested I ________ more exercise to keep my blood pressure down.

ZUNIA12

• In order no money would be wasted, we had to account for every penny we spent.

• Choose the best answer from the four options given (marked A, B, C, or D) to complete each sentence: 

  He asked me __________.

• He has hardly never given a more impressive performance than this .

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

• Before the Industrial Revolution come to America, the vast majority of the population had lived in rural areas.

• The two kilograms of drugs which the police have seized is only the tip of the iceberg. They fear that far more are being smuggled and distributed.

• Yogurt contains a higher percentage of lactic acid than another fermented milks, and it is rich in B-complex vitamins.

• Nitrogen must be combine with another element such as Hydrogen or Oxygen to be useful in agriculture or industry

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

• VOCABULARY AND STRUCTURES: Choose the best options 

  Select the synonym of the word in bold. 

  We read newspapers and magazines which have been produced on computers. 

• Stars derive their energy from thermonuclear reactions that take place in their heat interiors.

• I read something about Taranrino’s new film on that magazine.

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

• Choose the best answer: 
  Technological advancements have turned AI and robotics from science fiction to.............. .

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

  If you want to join the History Society, you must first_________ this application form.

• A large percent  of Canadian export business is with the United States.

•  Her explanation certainly sounded _______.