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【判断题】
平均增长量是时间序列中逐期增长量的序时平均数,不能用累计增长量计算。( )
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】Why did you _______ in your bedroom last night?
A.
making a mess
B.
to make a mess
C.
make a mess
D.
makes a mess
【简答题】A.mercury B.mush C.muscle D.mess
【单选题】Stop _________ and tell us clearly what has happened. [     ]
A.
mess about
B.
mess around
C.
messing about
D.
messing
【简答题】脱式计算. 30÷15+30×15 (5-18×24)÷12 576÷(33+15) 909-[36×(350÷14)].
【单选题】My little brother __________my room and I was angry. [     ]
A.
mess up
B.
mess around
C.
messed up
D.
messed around
【单选题】564加上28与l2的积,再除以18,得多少?正确列式是(  )
A.
(564+28×12)÷18
B.
564+28×12÷18
【单选题】---Tom, how can you let your room be _______? --- I'm sorry, mum A. in a mess B. a mess C. mess D. in mess
A.
in a mess
B.
a mess
C.
mess
D.
in mess
【单选题】Everything went wrong and he was________. [     ]
A.
mess about
B.
messing up
C.
on a mess
D.
in a mess
【简答题】5 5 -18 324 + 30 743=
【单选题】How did you get into ___? [     ]
A.
such a mess
B.
a such mess
C.
so much mess
D.
so a mess
参考解析:
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