问题
填空题
提高固井成功率的关键是高温高压状态下高密度水泥浆的配制、（）、（）、顶替效率等。
答案
参考答案：流动性；可泵入时间
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提高固井成功率的关键是高温高压状态下高密度水泥浆的配制、（）、（）、顶替效率等。
参考答案：流动性；可泵入时间
| 用方框中所给词语的适当形式填空。 | |
a test. I 3. very sad and I almost wanted to give up this subject. Then my deskmate told me that English was a very 4. subject and we must study it well. I was moved (感动). From then on, I studied English 5. than before. 6. I had difficulties, I would go to her 7. help. With her help, my English had improved (提高) a 8. by the end of the term. We are now in 9. schools. But I often 10. of her and her help. |