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【单选题】
铭锢珠光体耐热钢CO2气体保护焊焊丝中，除了含有Mn，Si以补充氧化烧损外，还含有()合金元素。A.
Cr，Fe
B.
Cr，Mn
C.
Cr，Mo
D.
Fe，Mo
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【简答题】“”重要思想的历史地位表现在（ ）。
【单选题】My parents, my aunt and my uncle ______ sent me a gift on New Year's Day.
A.
each
B.
every
C.
either
【单选题】My parents, my aunt and my uncle ______ gave me a present on my birthday.
A.
each
B.
every
C.
either
【简答题】P ython 中,创建字符串时,可以使用单引号、 和三引号。
【简答题】The president will attend the opening ceremony of the (establish) of the free trade zone this afternoon.A. establishment
【单选题】--- Rose, will you go to the museum with me this afternoon? ---_____ . My aunt is coming to see me.
A.
Congratulations
B.
No problem.
C.
Sorry, I can’t
D.
Glad to hear that
【单选题】My aunt provided me________ the necessary money _______ my study. [ ]
A.
with; with
B.
for; for
C.
for; with
D.
with; for
【单选题】—Will you go to the museum with me this afternoon? —Sorry, _____. My aunt is coming to see me. [ ]
A.
I don't
B.
I can't
C.
I needn't
D.
I mustn't
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