单项选择题 If you were giving a speech with the specific purpose “To inform my audience of the major geographical regions of China,” the most effective organizational pattern for arranging your main points would probably be chronological order.A.对B.错
单项选择题 用板波法探测厚度5mm以下薄钢板时,不仅能检出内部缺陷,同时能检出表面缺陷.( )
单项选择题 绘制天鹅的腮红,可以用Photoshop渐变工具中的哪种渐变? A、线性渐变 B、径向渐变 C、角度渐变 D、对称渐变