读下面甲、乙两幅图,完成下题。甲、乙两幅图中的传统民居最可能分别位于我国的
甲、乙两幅图中的传统民居反映当地的环境特点分别是
乙图中的地坑院出入通道周围的砖墙主要作用是
It’s not easy for the expert to ______ pig flu.in humans from regular human seasonal influenza.
Premier Wen Jiabao said that if we worked hard and____ optimistic,we were_____ win the war against the finanical crisis.
Single-parent usually____ some of the functions that absent adult in the house would have served under the financial crisis.
He was unaware of the financial crisis involed, so his choice was quite_____.
图示意我国某地形区典型地段的地形剖面。读图,完成1-3题。
1.造成该地形区地表形态变化的主要外力及地质作用分别为()
2.该地形区应重点防御的自然灾害是()
3.该地形区可能位于我国的()