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【单选题】
下列关于逆转录酶的叙述哪一个是错误的( )A.
以RNA为模板指导DNA的合成
B.
以DNA为模板指导DNA的合成
C.
具有RNase H活性
D.
其作用不需要引物
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】Lily: Mom, this is my t____________,Miss Gao. Miss Gao :Nice to meet you . Mom:Nice to meet you,too.
【单选题】Miss Gao ____this school for nearly 5 years
A.
has been in
B.
has come to
C.
has taught
D.
/
【简答题】“Can I borrow this book of yours, Miss Gao?” asked the boy. → The boy asked Miss Gao _________ borrow _________ of _________.
【单选题】Miss Gao _____ this school since 1996.
A.
has come to
B.
come to
C.
has been in
D.
has taught
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