在应用软件PowerPoint中每张幻灯片上可以使用不同的模板。
参考答案:对
复合PSA半衰期约()
A.1天
B.7天
C.12天
D.2~3天
E.10天
The worker agreed to _____ the strike if the company would satisfy their demands.
A.call for
B.call forth
C.call off
D.call up