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【多选题】
羽化选区的方法有( )A.
选择选区创建工具，先在属性栏设置羽化值，再绘制选区。
B.
选择选区创建工具，先 绘制选区 ，再 在属性栏设置羽化值 。
C.
先创建选区，再选择命令“ 选择>羽化 ”(快捷键ctrl+alt+D)
D.
先选择命令 “ 选择>羽化 ” ，再 创建选区。
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反馈参考答案：
举一反三
【单选题】If a fire occurs in the boiler room because of a leaking fuel line to a burner, you shut off the fuel using the _________ .
A.
burner valve
B.
root valv
C.
quick closing valve
D.
oil return valve
【单选题】A 73-year-old woman had an episode a week ago in which she became disoriented, had difficulty speaking, and had persisting weakness on the right side of her body On phys- ical examination, she is now ...
A.
Carcinoid heart disease
B.
Hyperparathyroidism
C.
Infective endocarditis
D.
Mitral annular calcification
E.
Rheumatic heart disease
F.
Senile calcific stenosis
【简答题】治疗目赤、咽喉肿痛、口舌牛疮等症，宜选用（ ）
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