问题
判断题
火孔材料导热性能越差,越容易回火。
答案
参考答案:对
火孔材料导热性能越差,越容易回火。
参考答案:对
从方框内选出能够替换句中划线部分的选项。 | |
( ) 2. It's crucial that we study English well. ( ) 3. She's anxious because of the test. ( ) 4. Xiao Ning found garbage in front of the house. ( ) 5. Don't bother your father. He is busy with his work now. |