问题
判断题
锅炉连续排污主要是排放汽包内的水渣垢。（）
答案
参考答案：错
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锅炉连续排污主要是排放汽包内的水渣垢。（）
参考答案：错
| 选择方框中的单词或词组填空，使句子完整。 | |
2. The sign means we should stay ____________ the building. 3. Nancy is going to play the piano ____________. 4. Do more exercise, and you'll get ____________. 5. It' s warm ____________ in spring in New York. 6. In spring, the weather gets ____________ and the trees turn green. |