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【简答题】
单位体积的气体在风机内所获得的能量,称为__,以符号p表示,单位为Pa,
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举一反三
【单选题】Because the lawyer's wife was seriously ill, the doctor ______.
A.
couldn't do much and didn't save her life
B.
tried his best and saved her at last
C.
had to do everything he could for her
D.
had to spend a lot of time to cure her
【单选题】The reason why he didn`t come to school was _______ he was ill.
A.
Because
B.
why
C.
how
D.
that
【单选题】Why didn;t Uncle Andew go to the "Other World" by himself?
A.
Because he was afraid of the potential dangers.
B.
Because he hated that place.
C.
Because he was ill.
【单选题】He didn ’ t go to school yesterday he was ill.
A.
so that
B.
because
C.
though
D.
just as
【单选题】The reason why he didn ’ t come to school was _____he was ill.
A.
because
B.
why
C.
how
D.
that
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