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题目内容
（山东理工大学英语2）
What happens when the large pieces of ice block the river?（4分）
AIce begins to melt.
BThey may cause the water to rise.
CThey may hold the water.
DThey may float down the river.
AIce begins to melt.
BThey may cause the water to rise.
CThey may hold the water.
DThey may float down the river.
参考答案
