皮皮学，免费搜题
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【单选题】
细菌在致死剂量的非电离辐射线—紫外线的照射下发生了基因突变，但将其放在可见光下照射，约有90%的突变回复了，这是（ ）修复途径A.
超快修复
B.
光复活
C.
重组修复
D.
慢修复
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】It''s nearly seven o''clock . Jack ____ be here at any moment .
A.
must
B.
need
C.
should
D.
can
【单选题】It's nearly seven o'clock and my father will ______ walk in at any moment. [ ]
A.
is possibly to
B.
maybe to
C.
probably
D.
perhaps to
【单选题】. It’s nearly seven o’clock. Jack be here at any moment . ='soon' “很快”
A.
shall
B.
need
C.
should
D.
can
【单选题】It's nearly seven o'clockJack______be here at any moment.
A.
must
B.
need
C.
can
D.
should
【简答题】It''s nearly seven o''clock . Jack ____ . be here at any moment . A．must B．need C．should D．can
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