阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
Icebreaker to the North Pole is a new book ____ the well-known Chinese writer Bi Shumin. It describes her special trip to the North Pole last year.
Longing to go to the North Pole, she always heard about it when she was young. Bi, now in her 60s, has at last realized the dream to see it for ____ (she).
“This dream was hidden in my heart by myself in the past. It gradually became dusty, but it never disappeared.____ I dreamed has finally come true.” Up to now, Bi ____ (travel) to 73 countries worldwide. Besides the North Pole, she made a trip to Easter Island, which is around 3,700 kilometres off the western coast of Chile. In the same year, she went to the South Pole. And she intends ____ (go) to other places in the near future.
As a writer ____ (show) a great interest in travel, Bi thinks traveling ____ (be) a part of our life. She also believes it is ____ only way to see different cultures and histories.
“If the view is the same every day, we will easily become ____ (bore). But if we go to a strange place, we will soon enter a condition of experiencing and thinking about different cultures. Travelling gives me much ____ (free).”
或
行驶，在全程中，甲的时间速度关系如图甲，乙的路程速度关系如图乙，那么下列说法正确的是
