题目信息
Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910, but they are now controlled if not prevented; cannons are fired at the slopes to make snow masses fall before they become dangerous.
A:Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 to 1910, but they
B:More than 200 people have been killed by avalanches between 1885 and 1910 at Rogers Pass in Glacier National Park, but they
C:Between 1885 and 1910, more than 200 people were killed by avalanches at Rogers Pass in Glacier National Park, but they
D:More than 200 people have been killed by avalanches at Rogers Pass in Glacier National Park between 1885 and 1910, but such avalanches
E:Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910, but such avalanches
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已选答案：
正确答案：
E:Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910, but such avalanches
答案E
题目大意：1885年至1910年间，冰川国家公园罗杰斯山口的雪崩造成200多人死亡，但这种雪崩现在已经得到控制；人们向山坡上发射大炮，使雪团在变得危险之前坠落。
选项分析
ABC中的they指代不明
D. have been时态不对，过去发生的时候用过去时
E. 正确
题目大意：1885年至1910年间，冰川国家公园罗杰斯山口的雪崩造成200多人死亡，但这种雪崩现在已经得到控制；人们向山坡上发射大炮，使雪团在变得危险之前坠落。
选项分析
ABC中的they指代不明
D. have been时态不对，过去发生的时候用过去时
E. 正确
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