【简答题】All of us eat every day, but most of us don’t understand nutrition. We often make mistakes in talking about good diet. For example, many people think that foods such as rice, bread and potatoes will m...
【简答题】阅读理解。 All of us eat every day, but most of us don't understand the study nutrition(营养).We often make mistakes in talking about how to keep a good diet. For example, many people think that food such as...
【单选题】All of us eat everyday, but most of us don't understand nutrition (营养). We often make mistakes in talking about good diet. For example, many people think that food, such as rice, bread and potatoes, w...
【简答题】抛物线状沙丘是在常年单向风或几个近似方向风的作用下形成的一种风积地貌 ,形态特征与新月形沙丘相反,它的两个翼角(丘臂)指向上风向,迎风坡凹进,背风坡呈弧形凸出,轮廓呈抛物线状。读库布齐沙漠南缘某抛物线形沙丘示意图,完成1~3题。 1 .图示地区的主导风向是( ) A .东风 B .西风 C .南风 D .北风 2 .该抛物线形沙丘中以堆积作用为主的部位是( ) A .甲、乙 B .丙、丁 ...