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PREP 3 WHY ARE EGGS EGG-SHAPED?

PREP 3  WHY ARE EGGS EGG-SHAPED?
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(1) Áã                       n¡² ¡² ¡²          (2) ³³                   c¡² ¡² ¡²f
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(5) ÆÃ¤Ë                   e¡² ¡² ¡²cially   (6) µå·Á                 s¡² ¡² ¡²re
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(9) ¸º¾¯¤µ¤»¤ë          de¡² ¡² ¡²ase    (10) ·Á                   sh¡² ¡²e

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    The Earth is not a perfect (                 ).
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    It's a dangerous place, with (            )s and things.
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    He arranged the books (             ) on the shelf.
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    (              ) (          ) the rain, the match was canceled.
  (2) Èà¤ÏÉô²°¤«¤éž¤¬¤ê½Ð¤Æ¤­¤Þ¤·¤¿¡¥
    He (              ) (            ) of the room.
T-F TEST
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  ① The shape of a bird's eggs is not a sphere like a table tennis ball.  ② Nor is it like a box with sharp corners.  ③ Why are most eggs egg-shaped?  ④ First, owing to the shape, they fit together more neatly in the nest, with smaller air spaces between them.  ⑤ This reduces heat loss and allows the best use of the nest space.  ⑥ Second, if an egg rolls, it will roll in a curved path around the pointed end.  ⑦ This decreases the danger of its rolling out of the nest.  ⑧ The strongest shape would be a sphere, but ball-like eggs would roll away, and this would be unfortunate, especially for birds that nest on cliffs.  ⑨ That is why the shape of bird's eggs is egg-shaped.  (124 words)

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  ① The shape of a bird's eggs is not a sphere like a table tennis ball.  ② ① ( is / it / nor ) like a box with sharp corners.  ③ Why are most eggs egg-shaped?  ④ First, owing to ② the shape, they fit together more neatly in the nest, with smaller air spaces between ③ them.  ⑤ This reduces heat loss and allows the best use of the nest space.  ⑥ Second, if an egg rolls, it will roll in a curved path around the pointed end.  ⑦ ④ This decreases the danger of its rolling out of the nest.  ⑧ The strongest shape would be a sphere, but ball-like eggs would roll away, and ⑤ this would be unfortunate, especially for birds that nest on cliffs.  ⑨ That is why the shape of bird's eggs is egg-shaped.
                                                                                    (124 words)

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     (6) sphere  (7) nor  (8) roll  (9) decrease  (10) shape
£²¡¥(1) sphere  (2) decrease  (3) nest  (4) especially  (5) nor
     (6) roll  (7) shape  (8) cliff  (9) owing  (10) neatly
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