Many aspects of India’s life today grew out of the social structures and religions, the arts and sciencesthat were developed in the years followingthe Aryan invasions.
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Please discuss the influence of the Varnas System on India.Please write an argumentative essay of 250 words. You are expected to present a clear argument at the beginning paragraph and support your position with relevant evidence and logical and sound evidence in the next 2 or 3 paragraphs and conclude with a strong review of your position.
关于平面的投影,下面描述正确的是()。
A. 根据平面和投影面的位置关系,平面可以分为一种类型。
B. 投影面的平行面和投影面的垂直面,都至少有一面投影积聚为直线。
C. 一般位置平面的三面投影都不反映实形。
D. 投影面的平行面又分为正平面、水平面和侧平面。
如果一条直线通过平面上一已知点且平行于该平面上的任一直线,那么这条直线可能在该平面上。
A. 对
B. 错
正平面投影图中,有两个投影面上的投影反应实形。
A. 对
B. 错