The principal reason for the great number of smoke is that there are too many fa

游客2025-03-18  2

问题 The principal reason for the great number of smoke is that there are too many factories in this area.

选项 A、principal
B、number
C、that
D、too many

答案 B

解析 应改为amount,因为smoke不能用number来计算。本句的意思是:“大量烟的首要原因是在这个地区有太多的工厂。”
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