3, A change in direction of the monsoon winds (result) from the (differences) between the heating or (cooling) of landmasses and that of (oceans).
result 错了。为什么啊??
4,Rafting (was an) essential (mean) of (transportation) from prehistoric (times) to the nineteenth century.
(mean) 错了,为什么啊??作者: observer 时间: 2005-7-18 13:20
1. a change 昰單數 results
2. mean 當名詞昰平均值 方法手段昰means
作者: chinabens 时间: 2005-7-21 19:25
明白了。谢谢!!
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