【简答题】完形填空。 I have had thousands of classes since I started school nine years ago. But only one 1 was the most important. It happened last term just after I had got a 2 result in an exam. I was sad and had ...
【单选题】Charles Darwin's whole life was changed by one lucky chance. In 1831 ,before he went on the voyage of the Beagle, he was a very ordinary young man of twenty-two. No one in England — certainly not Darw...