根据上下文情景，写出完整的句子补全对话

A: Hi, Mary. Did you have a good time this weekend?

B:    1   . I went to the West Hill with some friends at the weekend. We had a great time.

A: Did you stay in a hote?

B:    2   . We stayed in the open air. We took a tent(帐篷) with us and we had a picnic on the hill.

A: Wonderful.    3   ?

B: It was sunny.

A:    4   ?

B: We went back home this morning. We got up at 5:00, left at 5:30 and arrived home at 8:30. I'm very tired now. Where did you go at the weekend?

A: I just stayed at home.

B:    5   ?

A: I played a new computer game. It was very interesting, and I liked it very much.

1. __________ 2. __________ 3. __________ 4. __________ 5. __________

人眼暗适应的过渡时间较长，约需要( )min才能完全适应。明适应的过渡时间很短，约需( )min。

A．15；1
B．30；5
C．30；1
D．15；5