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【单选题】
甲、物质的 m - V 图像如图所示。下列说法正确的是 ( )A.
体积为 20 cm 3 的甲物质的质量为 10 g
B.
乙物质的密度与质量成正比
C.
甲物质的密度比乙物质的密度小
D.
甲、物质质量相同时 , 乙物质的体积是甲物质的 2 倍
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A.
is
B.
was
C.
are
D.
were
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A.
has seen
B.
have seen
C.
saw
D.
are seen
【单选题】Everyone except Jim and Jack ______.
A.
know who is he
B.
know who he is
C.
knows who is he
D.
knows who he is
【单选题】Everyone except Bill and Jim ______there when the meeting began.
A.
was
B.
is
C.
are
D.
were
【单选题】Everyone went to the zoo last Sunday ______ Jim. [ ]
A.
but
B.
not
C.
except
D.
besides
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