核苷酸切除修复主要针对DNA单链断裂和小的碱基改变。( )
第1题
此题为判断题(对,错)。
第2题
此题为判断题(对,错)。
第3题
此题为判断题(对,错)。
第4题
A、could
B、should
C、would
D、were able to
第5题
第6题
______is NOT a poem by Walt Whitman.
A.Leaves of Grass
B.Song of Myself
C.An April Day
D.I Hear America Singing
第7题
The short poem “The Red Wheelbarrow” was written by _________.
A.Tennessee Williams
B.William Carlos Williams
C.Wallace Stevens
D.Hilda Doolittle
第9题
Jack wishes that he ______ness instead of history when he was at university.
A.studied
B.study
C.had been studied
D.had studied
第10题
Peter wishes that he ______law instead of literature when he was in college.
A.could study
B.studied
C.had studied
D.would study
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