皮皮学，免费搜题
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搜题
【单选题】
良性肿瘤的病理特点是A.
与周围组织界限不清
B.
细胞分化成熟
C.
生长迅速
D.
无包膜
E.
疼痛不明显
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】As we know, the sun gives us light and w____.
【单选题】The sun gives off light and warmth, _______ is very important to the living things on the earth.
A.
that
B.
which
C.
what
D.
where
【单选题】The structure of the sentence--“The sun gives us light and warmth.” is
A.
SV
B.
SVO
C.
SVOO
D.
SVOC
【单选题】The sun gives light and heat, ___ makes it possible for plants to grow.
A.
it
B.
that
C.
which
D.
when
【单选题】The sun gives off light and warmth, _______is very important to the living thing on the earth.
A.
that
B.
which
C.
what
D.
where
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