扫描二维码，直接登录
题库 / GMATAdvanced-SC-43
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.
Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 to 1910, but they
More than 200 people have been killed by avalanches between 1885 and 1910 at Rogers Pass in Glacier National Park, but they
Between 1885 and 1910, more than 200 people were killed by avalanches at Rogers Pass in Glacier National Park, but they
More than 200 people have been killed by avalanches at Rogers Pass in Glacier National Park between 1885 and 1910, but such avalanches
Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910, but such avalanches
① they指代不清，句中两个复数名词Avalanches和people，不知道they指代其中哪一个。such avalanches可以修正they的指代不明。根据语义，应该是雪崩avalanches被controlled控制。-- 排除ABC
②当发出动作的主语出现时，主动语态优于被动语态。Avalanches killed people 比 people have been killed by avalanches 更好。-- 排除D
E：
Avalanches at Rogers Pass in Glacier National Park killed more than 200 people between 1885 and 1910, but such avalanches are now controlled if not prevented; cannons are fired at the slopes to make snow masses fall before they become dangerous.
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，但如果不加以预防，这种雪崩 现在已得到控制； 在斜坡上发射大炮，目的是在雪团在变得危险之前使其下落。
登录 或 注册 后可以参加讨论