根据汉语意思翻译下列句子，每空一词
小题1:19世纪后期，欧洲发生了巨大的变化，从以农业为主的社会变成了以工业为主的社会。
In the late 19^th century, Europe ­                      , from a mostly agricultural society to a mostly industrial one.
小题2:弗里克最喜欢二十世纪前的绘画。在这个陈列馆里，这些珍藏品
Frick                          pre-twentieth century Western paintings, and there are well-represented in this excellent collection.
小题3:另外一种学生容易写的简体诗是由五行组成的，叫做五行诗。
Another simple form of poem that students can easily write is the cinquain, a poem______               five lines.
小题4:我想我之所以长寿而且精力充沛，要归功于我的健康生活。
I think my long and active life must                   the healthy life I live.
小题5:我们不必去忍受污染。
We do not have to                       .
小题6:我正在代表学校做一项课题研究——关于全球变暖的问题
I am doing a project                   my school about            .
小题7:穿着这些衣服走起路来实在不容易，但我们还是缓缓往火山口的边缘走去，并且向下看到了红红的沸腾的中央。
It was not easy to walk in these suits, but we slowly                   the edge of the crater and looked down into the red, boiling centre.
小题8:这里地面的高度从海拔700米到2,000米不等
The land     in height     700 meters above sea level      over 2000 meters.