【多选题】【消耗次数：1】
下列选项属于健康医疗大数据特征的包括（）。
①
A.数据规模大
②
B.数据结构多样
③
C.数据增长快
④
D.数据价值高
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【简答题】
简述下列术语：数据，数据元素、数据对象、数据结构、存储结构、数据类型和抽象数据类型。
随机题目
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16. The jacket was so ____ that he decided to buy it.
①
much
②
little
③
expensive
④
cheap
【单选题】
19. Your room is ____ mine.
①
twice as large
②
twice the size of
③
bigger twice than
④
as twice large as
【单选题】
4. I think the story is not so ____as that one.
①
interesting
②
interested
③
more interesting
④
most interesting
【单选题】
3.This book is ____that one, but ____than that one.
①
as difficult as; expensive
②
as more difficult as; more expensive
③
as difficult as; more expensive
④
more difficult as; as expensive
【单选题】
20. Your room is ____ than mine.
①
three time big
②
three times big
③
three times bigger
④
bigger three times
【单选题】
18. The earth is about ____ as the moon.
①
as fifty time big
②
fifty times as big
③
as big fifty times
④
fifty as times big
【单选题】
15.–What’s your brother like? –He is____.
①
a driver
②
very tall
③
my friend
④
at school
【单选题】
6. I think science is ____than Japanese.
①
much important
②
important
③
much more important
④
more much important