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Computers play an important role in our everyday lives, sometimes without us even realizing it. Consider the use (1)of computers in both shops and offices. Big shops especially chain stores with branches all over the country, have to deal with very large amounts of information. They have to make (2)sure that there are enough goods on the selves for customers to buy; they need to be (3)able to re-order befora stocks (4)run out, to decide which things are selling well and (5)go on. All these processes (6)are performed quickly and afficiently by computers. A (7)lot of offices work in the past involved information on paper. (8)Once it had been dealt with by people, the paper was put (9)aside for future reference. This way of working was (10)not particularly easy or fast. A computerized system is much more efficient.
Question 36: Pollution can be caused from the following sources EXCEPT______. A. water in rivers B. water from households C. wastes D. household chemicals
Question 37: Recycling can help us ______. A. never cut down trees B. use products again and again C. place garbage bins easily D. produce more paper products
Question 38: In order to save water, we can do all of the following things EXCEPT______. A. take short showers instead of baths B. repair leaky faucets C. fully use the washing machine D. turn the faucet off while brushing your teeth
Question 39: Recycling helps to reduce waste because______. A. plants need to develop B. a person can do it in his home C. waste can be recycled and reused D. an average man produces compost for plants
Question 40: The word "It" in paragraph 2 refers to ______. A. cutting down B. the number C. recycling D. effort
B là tất nhiên
1.A
2.C
3.C
4.C
5.C
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