Photoshop中下列哪些工具中不可以定义新的画笔？
A.喷笔工具
B.魔棒工具
C.图案图章工具
D.钢笔工具
参考答案：B, D
It is said that some software on learning subjects for pupils _______ in a very practical way. [ ]
A. designed
B. is designed
C. designs
D. is designing
1960年5月15日，湘江突然爆发大洪水，市委书记李瑞山，号召全市党团员保卫国家财产，下河打捞什么材料？
