A-A+
It would appear from the text that avalanches
问题详情
It would appear from the text that avalanches are formed because______.
A．a particular section of snow is not thick enough
B．there is a slight fall in the temperature
C．heavy snowfalls turn into rain
D．the ice between different sections of snow melts
参考答案
正确答案：D
解析：本题考查细节理解。第三段讲述了雪崩的形成。由于秋季天气变冷，下雪使积雪逐渐形成不同形状的雪块，雪块越积越多，天气变暖，冰雪融化，有的雪块由于太厚，不能与下面的雪块粘连在一起，只要温度稍有增加，新形成的雪块就会滚下山坡，造成雪崩。
