问题
填空题
数字比较器有（）个输出端。
答案
参考答案：三
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数字比较器有（）个输出端。
参考答案：三
| 根据句意，用方框中所给短语的适当形式填空。 | |
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| 1. A sign outside a building says " ". It is telling you not to enter the building. 2. , we only knew two people in London but we soon made some friends. 3. These advertisements are specifically __________ the young people. 4. We considered all the very carefully before deciding to buy a bigger house. 5. Several of his friends came : Ben, Carol and Mike, _____________ . |