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【单选题】
利用( )命令可以将色彩图像转换为灰色图像,并可对单个颜色成分做细致的调整。A.
黑白
B.
去色
C.
阈值
D.
替换颜色
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】F ind out the topic sentence(主题句) of paragraph 2.
A.
Spring is from March to May.
B.
Summer comes after spring.
C.
Autumn is a busy season.
D.
It's very cold in winter.
【简答题】轻于鸿毛中的鸿毛是哪种动物的毛？
【单选题】F ind out the topic sentence(主题句) of paragraph 5.
A.
It's very cold in winter.
B.
Spring is from March to May.
C.
Summer comes after spring.
D.
Autumn is a very busy season.
【简答题】“轻于鸿毛”中的鸿毛是哪种动物的毛?
【简答题】煤的元素分析是指煤中____五个项目煤质分析的总称。
【简答题】F ind out the topic sentence(主题句) of paragraph 2.A. Spring is from March to May. B. Summer comes after spring. C. Autumn is a busy season. D. It's very cold in winter.
【简答题】独立柱的类型有哪些?
【简答题】煤的元素分析是指煤中____五个项目煤质分析的总称。
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