Ⅰ.单词拼写
1．It’s a great pleasure to have such enthusiastic(热情的) group participation in our project.
2．My teacher tells us that we should have a positive attitude to life and have hope，no matter what happens.
3．Scientists watch the moon to get data about its movements(运动)．
4．It’s said that there is a kind of bird，which is the only one that can fly backward(s)(向后地)．
5．We all look forward to the day when scientists can discover more secrets of the universe(宇宙)．
