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【单选题】
ｔ检验中，不同类型资料的ｔ检验的区别是A.
检验步骤不同
B.
统计量ｔ的计算公式不同
C.
根据 Ｐ 值判断结果的方法不同
D.
以上都不对
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【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】In ancient times the most important examinations were spoken, not written. In the schools of ancient Greece and Rome, testing usually was made up of saying poetry aloud and giving speeches. In the Eur...
【单选题】In ancient times, some catastrophic extinction of species occurred ______ .
A.
sequentially
B.
repeatedly
C.
naturally
D.
intentionally
【简答题】In ancient times, the most important examination was spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted 小题1: saying poetry aloud or giving speeches. Generally, h...
【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
【简答题】In ancient times, the most important examination was spoken, not written. In the schools of ancient Greece and Rome, testing usually consisted 31 saying poetry aloud or giving speeches. Genera...
【简答题】C______ with other countries was difficult in ancient times.
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