影响滤失量与滤饼质量的因素有膨润土的含量、固相颗粒的水化分散性、（）和滤失时间等。
A.滤液的黏度
B.井内压差
C.井下温度
D.上述三项
参考答案：C
It was great to meet Bruce _____,after having written to him for so long.[ ]
A. face to face
B. mouth to mouth
C. hand in hand
D. shoulder in shoulder
