问题
名词解释
效果
答案
参考答案：
由投入经过转换而产出的成果，其中有的是有效益的，有的是无效益的。
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效果
参考答案：
由投入经过转换而产出的成果，其中有的是有效益的，有的是无效益的。
| 用下面方框中的短语的正确形式填空，使句子意思完整。 | |
2. The stream _____ during the hot summer. 3. He's glad to help people _____. 4. The paper were _____ of his pocket. 5. When they did not _____ her, they feared the worst. 6. He can earn _____ ￥500,000 a year. 7. He waters the plant regularly, never letting the soil _____. 8. When we moved to France, the children _____ the change very quickly. 9. One thing was _____, there was nothing wrong with your eyesight. 10. When you _____ a new word in this passage, don't turn to the dictionary at once. |
