影室闪光灯附件中的聚光筒常用于静物摄影中背景光或()。
A.主光
B.辅光
C.反射光
D.修饰光
参考答案:D
__________ his work was still as it had been?
A.It was why that
B.Why is that
C.It is why that
D.Why was it that
安装工程一切险的被保险人不包括安装设备的制造商。