连铸坯切割装置必须保持与铸坯同步运动。
参考答案：对
To learn English well, we should find opportunities to hear English ____ as much as we can. [ ]
A. speak
B. speaking
C. spoken
D. to speak
木结构单体构件形式归为以下几种（）。
A、单板方框式
B、双板方框式
C、骨架单板方框式
D、骨架双板方框式
E、单条板式
