问题
判断题
施工脚手眼补砌时，灰缝应填满砂浆，不得用于砖填塞。
答案
参考答案：对
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施工脚手眼补砌时，灰缝应填满砂浆，不得用于砖填塞。
参考答案：对
| 用方框内所给词的适当形式填空，有两项多余。 | |
2. The boy is from India. He is an ______. 3. The scientists spent three years ______ the truth. 4. Have you ______ such an interesting film before? 5. Our ______ environment is getting worse and worse. |