依法治国就是广大人民群众在党的领导下，依照宪法和法律规定，管理国家和社会事物，保证各项工作都依法进行，并且保证这种制度不因领导人的改变而改变，不因领导人的看法和注意力的改变而改变。这说明（  ）  

下列各组数中，能构成直角三角形的一组是（    ）

菜青虫与菜粉蝶分别是昆虫发育的（    ）时期．

阅读短文，然后从方框中选出可以填入文中空白处的单词

could   born  got  look   invited   stood  began  ran  coming  fourteenth

Linda was  ____in Paris on December 24, 1988. It was her ____ birthday yesterday. She____ her friends to her party a few days ago. Her parents were busy yesterday. But they____ready for the party. The bought some fish, chicken, beef, vegetables, drinks and fruit .Everything was ready. They put all the food and drink on the table. And there was a nice birthday cake on the table, too. It was ten to eight and the party____.

The girl____ by the window and____out. She saw her friends ____. She ____to meet them at the door. His parents____hear the children say “Happy birthday to you!”outside.