用方框中所给词的适当形式填空，使短文完整正确。

Yesterday my classmates and I went to visit an old people'shome with our parents. It  was quite小题1:   

from our school, so we went there by bus. After forty minutes, we 小题2:   there.When the old people saw us, they felt very glad. We did a lot of things that day. First, we cleaned the house. It小题3:      us the whole morning to do the work. And 小题4:     we cooked and ate lunch with them happily. After that some students sang and danced for them, some students told funny stories to them, and 小题5:   students chatted with them. The old people smiled all the time. Our小题6:       worked hard, too. They made good examples to' us students. Doing things with our parents is 小题7:     and exciting. We like it. We were all very 小题8:       when we left. But we thought it was a special experience for us. And 小题9:   of us felt that we were members of a big family. How happy we were! It is important for us all to help the people in need and show our 小题10:       to everyone.

某校学生利用暑假时间，从连云港出发沿陇海线到新疆，进行社会实践考察，据此回答1—5题：

1、他们途经黄土高原时，通过走访和查阅资料了解这里的最主要的自然灾害是：[ ]

A．洪涝灾害

B．水旱灾害

C．泥石流

D．地震

2、他们途经华北平原时，见到的景色正确的：[ ]

A．地形平坦，玉米长势喜人

B．地势低平，稻田集中连片

C．地势低洼，鱼塘随处可见

D．地形陡峭，果树林木集中

3、下列有关考察团的叙述，错误的是：[ ]

A．黄河流域是我国能源开发的重要工业带

B．在西安参观了秦始皇兵马俑

C．西部地区降水稀少，土地荒漠化严重

D．沿途经过我国四大牧区之一的西藏牧区

4、考察团对西北地区的主要自然特征的考察正确结论是：[ ]

A．干旱

B．炎热

C．降水丰沛

D．温和湿润

5、考察活动结束后，同学们认为西北地区过度放牧，滥垦草原的问题比较突出，采取的措施有以下四个方案，你认为最合理的是：[ ]

A．大力发展基础交通设施

B．政府有组织地大量迁移人口到东部

C．退耕还林、还草

D．发展外向型农业