Which of the following is true about the major theme of Johannes art?
A.
Religion.
B.
Landscape.
C.
Modern city.
D.
Architectural construction.
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【简答题】以下程序 计算圆的周长、面积和球的体积,填空将其补充完整: #include 【 1 】 main() { float l , r , s , v ; printf ( "input a radus: " ); scanf ( "%f " , 【 2 】 ); l =2.0*PI* r ; s =PI* r * r ; v =4.0/3*( 【 3 】 ); printf ( "l=%.4f\n ...