(冰山)水下部分是水上部分的三倍大。

　　3．You certainly won’t find a noisier fish.

　　你肯定再也找不到一条更吵的鱼了。

　　4．They achieved this long before Columbus ever set sail.

　　在哥伦布启航以前他们早就完成了这些。

　　5．One day，my two brothers and I were coming back from the islands，our boat full of fish.

　　一天，我和我的两个兄弟从海上打鱼归来，船上载满了鱼。

　　Ⅳ.课文语法填空

　　The Vikings, 1.whose ancestors came from Scandinavia, were the first Europeans to reach America.They controlled the seas and coasts of Northern Europe for a long time.In 982 AD，a man 2.called(call) Eric the Red was forced to leave Iceland 3.because he had committed a murder and got 4.into trouble，and decided to set sail further west.He reached Greenland and discovered that people could live in the place 5.where he landed.He returned and persuaded some people to go back with him to Greenland.When he set sail once again，only 14 of 25 ships made 6.it to Greenland.Later a man 7.called(call) Biarni set sail from Iceland in search of Eric’s party.Unfortunately，he was blown off course and found himself in an 8.unknown(know) land，from where he eventually reached Greenland.These stories were written down centuries 9.later(late) in Norway and Iceland.They are the first records we have of Europeans 10.sailing(sail) to the Americas.

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