根据句意及首字母提示写出单词（共10小题；每小题0. 5分，共5分）
Columbus, a great e        , discovered the New World in 1492.
Usually a bright child is quite c        because he wants to know why and how a certain thing works.
His old house is p         as a museum Nobody has the right to knock it down.
He has made a f        from mining.
A group of experts have been sent to help o        he international conference to be held in Shanghai.
He held me so tightly that I couldn’t b         .
After the operation, the doctor told us not to d        him and let him have a good rest.
What a happy c        to meet my old friend in New York ten years later!
My father showed great time and d        to his job.
A reporter who arrived at the scene s        after the explosions saw at least 12 people lying on the ground.