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Lesson one Text A 课本课后练习1-简答题10 What happened in the aviation field in the beginning of the 21st century?
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【简答题】专家系统是( )。 A)人工智能系统 B)决策支持系统 C)知识库系统 D)数据库和知识库系统
【单选题】The tour pal lost his way in the mountain; ________ made things worse was that it began to rain.
A.
that
B.
what
C.
which
D.
who
【简答题】某商业企业向天津百货批发公司购进香皂20000块,单价2.20元,进项税率13%,供货单位代垫运费1000元(暂不考虑税),运费计入成本,货款结算采用异地托收承付方式。 请分别做出以下三种情况的会计分录 1托收凭证先到,商品后到; 2商品先到,托收凭证后到; 3托收凭证与商品同时到达。
【单选题】If you had a chance to go to the 2010 World Expo (世博会), what _______? [ ]
A.
will you do
B.
would you do
C.
would you have done
D.
will you have done
【单选题】We were about to climb up to the top of the mountain ________ it began to rain heavily.
A.
as
B.
while
C.
when
D.
since
【单选题】(2013·湖南，25)The sun began to rise in the sky，________the mountain in golden light.
A.
bathed
B.
bathing
C.
to have bathed
D.
have bathed
【单选题】(河南原创)—What would you like to have for supper, Jack?—Either noodles or rice ______OK. I don't mind.
A.
are
B.
were
C.
is
D.
was
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