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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】利用通道创建选区且不影响原图像，以下方法错误的是（）
A.
新建通道，进行必要编辑后载入选区
B.
将颜色通道复制为Alpha通道，编辑后再载入选区
C.
直接对颜色通道使用载入选区功能
D.
先编辑颜色通道再使用载入选区功能
【单选题】Passage Two The era of the cowboy really began after the Civil War. During this decisive war the Texas cattle had roamed undisturbed in the wild, breeding freely on the plains and greatl...
A.
They have easier life in winter than in spring.
B.
They use a rope to handle the horse.
C.
They spend most of their daily time on the horse.
D.
Most of them know more than three languages.
【单选题】Photoshop中使用矩形选框工具和椭圆选框工具时，如何以鼠标点为中心做选区?
A.
按住Shift+Ctrl键并拖动鼠标
B.
按住Ctrl键并拖动鼠标
C.
按住Alt键并拖动鼠标
D.
按住Shift键并拖动鼠标