在应用滤镜时，下列（）说法是不正确的。
A.可以对单独的某一层图像应用滤镜，然后通过颜色混合合成图像
B.对选区内的图像应用滤镜时，可以先将选区进行羽化，以便使选区内的图像与图像其他部分生成比较好的融合效果
C.不能对单一的颜色通道或者是Alpha通道执行滤镜
D.如果对滤镜的效果不太熟悉，可以先将滤镜的参数设置得小一点，然后再反复按Ctrl+F快捷键来重复应用滤镜效果
参考答案：C
阅读短文，根据上下文意思， 将方框中的句子还原到短文中适当位置，将其字母代号填在横线上。选项中有一项为多余选项。 Everyone needs friends. We all like to feel close to someone. It is nice to have a friend to talk, laugh, and do things with. 小题1: We don’t always want people around. We will feel lonely if we never have a friend. Friends sometimes don’t get on well. 小题2: Most of the time they will make up and become friends again. When friends move away , we feel very sad. 小题3: Then we call them or write to them. We can even see them again someday. Of course, we can also make new friends. It’s surprising to find out how much we like new people when we get to know them. There’s more good news for people who have friends. They live longer than people who don’t . Why? It could be that they are happier. 小题4: Or it could be just knowing that someone cares. If someone cares about you, you’ll take better care of yourself.
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