皮皮学，免费搜题
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搜题
【多选题】
按照形态结构划分,鸟类的羽毛通常分为( )、( )和( )三类A.
飞羽
B.
尾羽
C.
覆羽
D.
正羽
E.
绒羽
F.
纤羽
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】______ is expected, according to the online survey, is _______ prices of houses will not go up an more.
A.
What; that
B.
As, that
C.
It, what
D.
Which, that
【单选题】— Is it time ____________? — I think so. Let's ____________. [ ]
A.
to class, go
B.
for a class, to go
C.
to have class, go
D.
to have classes, to go
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