皮皮学，免费搜题
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【单选题】
嘧啶二聚体的方式属于( )A.
SOS修复
B.
原核生物的切除修复
C.
重组修复
D.
真核生物的切除修复
E.
光修复酶的作用
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
【简答题】简述写出屏蔽门门体结构的组成及各自的作用。
【单选题】The writer was _____ in his writing that he forgot to flick the ashes from his cigar.
A.
concentrated
B.
devoted
C.
absorbed
D.
fixed
【单选题】He grew more and more absorbed in his work, ______ he almost forgot his meals.
A.
that to such an extent
B.
to an extent such that
C.
to such an extent
D.
such that to an extent
【单选题】The writer was so ______ in his writing that he forgot to flick the ashes from his cigar.
A.
fixed
B.
concentrated
C.
absorbed
D.
focused
【简答题】在近代中国，的侵略使中国发展成为资本主义国家。
【简答题】简述屏蔽门的结构组成。
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