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【简答题】
一袋盐重500克,4袋盐重( )千克。比5千克少( )克。
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举一反三
【简答题】设有一个 SPJ 数据库,包括 S , P , J , SPJ 四个关系模式,用关系代数完成查询。 3 )求供应工程 J1 零件为红色的供应商号码 SNO :
【单选题】Jenny said that she was sorry she had got no knife ______.
A.
to cut
B.
to cut it
C.
cutting
D.
to cut it with
【单选题】--- Why hasn’t Jenny turned up? --- Oh! She called me just now and said that she was _____ the way.
A.
by
B.
in
C.
at
D.
on
【简答题】He said to himself , "Where is Jenny?"(she)
【单选题】新型冠状病毒是以前从未在人类中发现的冠状病毒新毒株。世界卫生组织将2019年在武汉发现的新型冠状病毒命名为( )
A.
2019-nCov
B.
MERS
C.
SARS
D.
SARI
【单选题】Jenny said she _____her holiday in China .
A.
spent
B.
would spent
C.
was going to spent
D.
would spend
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