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【单选题】
老年人的生理特点不正确的是A.
身高和体重下降
B.
视力、听力、嗅觉等衰退
C.
呼吸加快,呼吸功能增强
D.
脑体积变小,重量减轻
E.
味觉减退,消化功能下降
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举一反三
【单选题】The first significant progress in transport in ancient times was attributed to______.
A.
the making of carts and wagons
B.
the construction of roads
C.
the invention of wheels
D.
the building of tracks
【简答题】在SQL语 言中,IN 等价于“=( )”, NOT IN 等价“!=( ) ”
【单选题】In ancient times, some catastrophic extinction of species occurred ______ .
A.
sequentially
B.
repeatedly
C.
naturally
D.
intentionally
【单选题】The approach of winter, in ancient times, was considered as a time of fear because ______.
A.
the days grew shorter
B.
the days became colder
C.
the sun seemed to disappear
D.
all of the above
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