根据下面语境，为空格处选择合适的词语，将其序号填在横线上。

执着的故事不老——愚公移山，夸父逐日，____ （A守株待兔 B精卫填海）；

执着的人物不朽——闻鸡起舞的祖逖，面壁静修的达摩，____ （A卧薪尝胆B悬梁刺股）的勾践；

执着是____ （A坚持不懈 B直言不讳），是____ （A艰苦卓绝 B锲而不舍），是一支永无休止的进行曲。

I ____ (be)a student. I ____ （have）a pencil.

完形填空

    　Mary and Peter were having a picnic near a river when Mary noticed something flying overhead.“ 1 ,” she shouted to her friends. “ That's a spaceship up there and it's going to 2 here.”

　　Frightened(吓唬) by the strange silver colored spaceship,3 of the young people got in their 4 and drove away quickly. But Peter5 Mary and always close to her. They, more 6 than frightened, watched the spaceship land, saw a door open. When nobody 7 , they went to the spaceship and looked into。In the center of the floor 8 was a pile of food. Peter followed Mary into the spaceship and didn't 9 the door close behind him. The temperature fell quickly and the 10young people lost consciousness(知觉).

　　When they woke up, they were 11to see that they were back by the river 12 . The spaceship had gone. Their car was nearby.

　　“What 13 ?” said Mary.

　　“Don't ask me; perhaps we had a 14 .”Peter said slowly. “Did you … did you see a spaceship?”

　　“Yes,” said Mary. “Oh, Peter, we 15 have seen a UFO coming from another world.”

光荣革命后，英国议会上院（贵族院）和下院之间围绕权力问题多次较量。经过多次改革，权力不断由上院转移到下院。时至今日，上院已经沦为下院的辅助工具。这一过程体现了英国政治进程的什么特点？