运用PowerPoint软件可以制作包含文字、声音、视频等多种素材的多媒体作品
参考答案:对
—I’m making ___ progress with the help of my teachers.
—Great! I hope you can go to ____ college next year. [ ]
A. /; a
B. the; /
C. the; a
D. /; /
FX18-10.5/21旋转防喷器旋转总成上提下放时,要扶正且缓慢进行,不能太快太猛,以免损坏胶芯,O型圈与其它零件;()