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【多选题】
下列属于刷涂的步骤的是A.
涂布
B.
修复
C.
抹平
D.
E.
电渗
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Why does the author mention the Virgo galaxy and the Andromeda galaxy in the third paragraph?
A.
To describe the effect that distance has no visibility.
B.
To compare the ages of two relatively young galaxies.
C.
To emphasize the vast distances of the galaxies from Earth.
D.
To explain why certain galaxies cannot be seen by a telescope.
【简答题】Section C篇章听力练习.docx