2011½ì¸ß¿¼Ó¢Óïѧ°¸£ºUnit4 »ù´¡¹®¹ÌÁ·Ï°£¨ÐÂÈË½Ì°æ±ØÐÞÈý£©
¢ñ. µ¥´Êƴд
1. Anything that is dropped falls towards the ground because of the force of ________(ÒýÁ¦).
´ð°¸£ºgravity
2. The little child gave a strong________(À)at the rope but the sheep didn’t move forward at all.
´ð°¸£ºpull
¢ñ. µ¥´Êƴд
1. Anything that is dropped falls towards the ground because of the force of ________(ÒýÁ¦).
´ð°¸£ºgravity
2. The little child gave a strong________(À)at the rope but the sheep didn’t move forward at all.
´ð°¸£ºpull

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