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【单选题】
下列关于数据库特点的说法中正确的是A.
能保证数据完整性但降低了安全性
B.
数据独立性高但不能实现共享
C.
数据能共享且独立性高
D.
数据能共享但数据冗余很高
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举一反三
【单选题】Swedish is the native language of most Swedes.
A.
natural
B.
home
C.
mother
D.
ancient
【单选题】Most native speakers of English will ___________ in a regular college essay of about 700 words.
A.
usually end the paragraph with a topic sentence
B.
arrange the body paragraphs from the strongest to the weakest
C.
develop a paragraph in a circular fashion
D.
arrange the body paragraphs from the weakest to the strongest
【单选题】The most native speakers of English live in _________.
A.
Britain
B.
the United States
C.
Canada
D.
Australia
【单选题】The type of uncertainty among native speakers would most likely occur in a conversation between ______.
A.
a doctor and a nurse
B.
a father and his daughter
C.
a scientist and a worker
D.
a lawyer and his client
【简答题】The _____ language used in most international organizations is English. A．official B．native C．frequent D．separate
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