当气体的体积和温度一定时，其质量越大，压力（）
A.越低
B.不变
C.越高
参考答案：C
He always asks _______ questions! I don't like him at all.[ ]
A. too many
B. too much
C. many too
D. much too
数据的逻辑结构有线性结构和【 】两大类。
