题目

Word2007 默认的文件扩展名为（）。 A . doc B . docx C . xls D . ppt 答案：B语法填空阅读下面材料，在空白处填入1个适当的单词或括号内单词的正确形式。Johnny, a lizard(蜥蜴), liked sunbathing every morning. One day, he felt so 1 (relax) that he didn’t notice some boys coming up behind him. The boys 2 (catch) Johnny, and he could only escape by losing his tail.After the children left, Johnny came out to look 3 his tail, but found no sign of it. Feeling sad, he made a 4 (decide) to spend all his time looking for it. Time passed, and Johnny kept asking everyone whether 5 (them) had seen his tail. One day, he asked a boy, who surprisedly replied, “Why do you need two tails?” Hearing this, Johnny turned back and saw a new, stronger tail. He 6 (sudden) realized how silly it had been to waste so much time on such a problem.On his way home, he found his old tail on the roadside. 7 it looked terrible, Johnny was still excited to have it back. He picked it up and was about to continue his journey when an idea hit him 8 he shouldn’t look at the past. He then dropped his old tail, 9 (leave) with it all his past worries. All he took with him 10 (be) thoughts of the future.