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Read the passage carefully. Then choose the correct answer.
 
Old newspapers, magazines and other unwanted papers are collected
by the rag-and-bone man. The recovered paper is then sorted according to
the grade or type of paper before being sent to the recycling centre. There,
the sorted papers are gathered and bundled into tight bales before they are
transported to a paper manufacturing factory where they will be recycled
into new paper. Only paper free of contaminants such as food, plastic, metal
and other rubbish can be successfully recycled; otherwise, impurities and
bacteria might be introduced into the recycling process and thereby affect
the quality of the paper produced.

At the paper mill, recovered paper is chopped up and mixed with water
to form pulp slurry, which is then subjected to a series of washing where
soap-like chemicals called surfactants remove ink from the paper. After the
deinking process, the pulp slurry is sprayed onto a huge flat wire screen
that is rapidly moving through the paper machine. Water drains out and
fibres bond together into a web of paper which is pressed between rollers
to squeeze out more water and smoothen the surface. Heated rollers dry the
paper, which is then slit into smaller rolls or sheets and finally removed from
the paper machine.

Papermaking fibres can be typically recycled five to seven times before
they become too short and are rejected by the paper machine. Recycling
paper certainly benefits the environment because it requires at least
50 per cent less energy and up to 75 per cent less water than making paper
from virgin fibres. Also, it reduces the demand for virgin fibre in the world.

So, have you done your part to save Mother Earth?
 

     
  1. What does 'recovered paper' ( paragraph 1 ) refer to ?
       
    (A) Paper wrapped in tight bales
    (B) Paper transported to the paper mill
    (C) Old newspapers, magazines and other unwanted papers
    (D) Paper containing food, plastic, metal and other rubbish
       
  2. According to paragraph 1, 'bales' are ______.
       
    (A) papers flattened by huge rollers
    (B) papers pulped on a huge wire mesh
    (C) papers stored in large containers
    (D) large amounts of paper tied tightly together
       
  3. What happens to papermaking fibers as a result of repeated recycling ?
       
    (A) It smoothens the fibers.
    (B) It enables the fibers to bond together quickly.
    (C) It dries up the fibers so that they can be cut into smaller sheets of paper.
    (D) It shortens the fibers, thereby rendering them unfit for further recycling.
       
  4. Recycling paper benefits the environment by ______.
       
    (A) increasing the demand for wood
    (B) encouraging the destruction of forests
    (C) requiring not less than 50 per cent less energy
    (D) needing about 25 per cent more water than virgin fibers
       
  5. What impact does recycling paper have ?
       
    (A) It will result in a variety of vegetation.
    (B) It will result in the creation of more rivers.
    (C) It will result in the destruction of more trees.
    (D) It will result in the destruction of fewer trees.
       
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  Answers:  1C   2D   3D   4C   5D
 
 
 
 

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