将任意两个对象进行一系列过渡应选用哪个工具？（）
A、交互式调和工具
B、交互式变形工具
C、交互式立体化工具
D、交互式轮廓图工具
参考答案：A
It was from only a few supplies that she had brought in the village _____ the hostess cooked such a
nice dinner. [ ]
A. where
B. when
C. that
D. which
综合安全技术
生产环境中，物体温度达1200℃以上的辐射电磁波谱中即可出现( )。
A．红外线
B．紫外线
C．射频辐射
D．电离辐射
