在正常压力层段中,地层体积密度随深度增加()。
A、而减小
B、不变
C、而增大
D、突然增大
参考答案:C
28. Think after you read ____.
A.which words do you need to look up
B.you need to look up which words
C.which words need you look up
D.which words you need to look up
下列表达式中,写法错误的是
A."计算机"+"123"B."计算机"+DTOC(^2004/01/01)C..T.+.F.D.^2004/01/01+10