以石油焦，沥青焦为（），煤沥青为（）生产的阳极炭块，用作预焙铝电解槽作阳极材料。
参考答案：骨料；粘结剂
句型转换。
1. The boys used to go fishing by the river. (改为一般疑问句)
_____ the boys _____ to go fishing by the river?
2. There isn't anything wrong with your son. (同义句转换)
There _____ _____ wrong with your son.
3. He is old enough. He can go to school. (合并为一句)
He is old _____ _____ go to school.
4. Kate was learning English at 9 o'clock last Sunday morning. (对画线部分提问)
_____ was Kate _____ at 9 o'clock last Sunday morning?
5. How about going with me? (同义句转换)
_____ _____ go with me?
136C-NMR（核磁共振）可用于含碳化合物的结构分析， 136C表示的是（ ）
A．核外有13个电子，其中6个能参与成键
B．核内有6个质子，核外有7个电子
C．质量数是13，原子序数是6，核内有7个质子
D．质量数是13，原子序数是6，核内有7个中子
