一个空间几何体的三视图如图所示,则该几何体的的体积为
A:2π+3π
B:83π
C:2π+33π
D:4π+233π
请根据如表所示实验回答问题:
实验操作
实验结果
取100ml水,加入25g硝酸钾,搅拌
全部溶解,得溶液①
再加10g硝酸钾,搅拌,还有3.4g固体不溶
得溶液②
溶液②的质量为____ g,属于不饱和溶液的是____ (填序号).
They were shocked at the____(令人恐惧的) news that they had cheated so much money.