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单选题
在南美洲,只有巴西东海岸有较明显的季风,从布立科角到南回归线,7月份为(),1月份则为东北风或东风。
A
西北风
B
西南风
C
东南风
D
东北风
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watertightC
non-structuralD
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船长应提前24小时将预计开航时间通知全体船员B
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单选题Sulfuric acid is a().A
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whichC
whetherD
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5.5mAD
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0B
1C
kD
2
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