油藏岩石和液体的性质一定时，井产量大小主要决定于（）。
A、油层渗透率
B、液体粘度
C、A和B
D、生产压差
参考答案：D
根据句意及首字母提示完成单词。
1. Oh, I am late. I have to h_____ up.
2. I don't have breakfast. I'm h_____.
3. —What colour is gold?
—It's g____.
4. Don't pull the door. P____it, please.
5. She p____ up the biggest bowl, but she didn't like it.
路由选择协议的3个目标是（）
A.准确性
B.快速保持
C.快速收敛
D.低开销
