A background process thus often performs _____________ work, such as printing or checking for arriving messages on an electronic mail network, invisibly unless the user requests an update or brings the task to the foreground.

Câu hỏi liên quan

• Choose the best answer:
  Harmful environmental factors can ______ the development of certain diseases

• Choose the best answer:
  I haven’t seen ____ nor hair of her since last Friday

• “I'd like to change some money.” “__________” 

ZUNIA12

• Choose the best answer.

  Susan's doctor insists _________for a few days.

• Choose the best answer:
  The president wants his ministers to concentrate on implementing policy, not _________ on

• You thought I did wrong, but the results _______ my action.

   

• Choose the best answer:
  He was the only person to ____________ there at the time.

• Choose the best answer:
  Karl Kani, who was a black American designer, was the first to ________ the trend of merging hip hop with fashion

• Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

   Both CARE and Oxfam organisations have programmes to help people in underdeveloped countries better their lives.

• Choose the best answer:
  ___ it had not been for the intolerable heat in the hall, they would have stayed much longer

• For some reason people imagine the interviewer is going to jump on every tiny mistake they ________.

• Choose the best answer:
  When the visitor saw with her own eyes the beach covered with tons of plastic rubbish washed up from around the world, a chill went down her 

• Choose the best answer:
  Never have I been to such a classical football match before

• Choose the best answer:
  ____ overfishing, global warming and loss of nesting habitat, sea turtles have become critically endangered.

• To our surprise, the so-called cheap shop was __________ was expected. 

• Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions:

  Despite her cries, no one came to her assistance.

• They _________about to finish building this park.

• Even though woodpeckers .............as a nuisance to many people, they are actually helpful, since they feed on harmful insects

• Find mistakes: (In) 1872, Congress declared (that) Yellowstone (to be) the first (national) park

• Choose the best answer:
  Backpacking is best suited for those who are in good physical condition __________