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【单选题】
要把 st 变成 st=['x','a','b'] ,那么操作是 st=['a','b'] _____ print(st)A.
st.append('x')
B.
st.insert(1,'x')
C.
st.insert('x')
D.
st.insert(0,'x')
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反馈参考答案：
举一反三
【单选题】The noise downstairs _____on the work.
A.
kept me from concentrating
B.
kept me concentrating
C.
kept concentrating me
D.
kept concentrate me
【单选题】He can't ( ) the noise downstairs anymore, it's too loudy.
A.
endure
B.
keep
C.
listen to
D.
make
【简答题】单位曲柄主要包括 、 和 三部分。
【单选题】The noise downstairs ________ on the work.
A.
kept me from concentrating
B.
kept me concentrating
C.
kept concentrating me
【单选题】—Can I help you? —_____ [ ]
A.
Yes, I want a shirt for my son.
B.
No.
C.
You're welcome.
D.
Thanks.
【单选题】The noise downstairs______on the work.
A.
kept me from concentrating
B.
kept me concentrating
C.
kept concentrating me
D.
kept me concentrate
【简答题】简述国外供应商进行评价的关注重点。
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