粘土在分散钻井液和抑制性钻井液中分别呈（）状态。
A、分散\分散
B、分散\适度絮凝
C、适度絮凝\分散
D、适度絮凝\适度絮凝
参考答案：B
What’s the girl going to do [A] Watch TV. [B] Do her homework. [C] Do housework.
采样时应注意哪些事项？
