问题
填空题
对于液下潜水泵，（）吸水池液位能有效地避免泵发生汽蚀。
答案
参考答案：提高
搜题请搜索小程序“爱下问搜题”
对于液下潜水泵，（）吸水池液位能有效地避免泵发生汽蚀。
参考答案：提高
| 选择方框中适当的单词或短语填空。(每词限用一次) | |
2. _______ to turn off the light when you leave. 3. _______ you often _______ school, Jim? 4. You ________ to wear warm clothes in cold weather. 5. — When _______ your father _______? — In 1960. 6. My sister ________ English in her class. 7. Can I ________ you, Tom? 8. You _______ do it by yourself. 9. _______ is your home from the school? 10. I want to _______ a house with two rooms. |
