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【单选题】
按所使用的数据模型来分，数据库可分为哪三种模型A.
层次、关系和网状
B.
网状、环状和链状
C.
大型、中型和小型
D.
、共享和分时
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反馈参考答案：
举一反三
【简答题】The phrase 'the lingusitically oppressed' (Line 7, Para. 4) refers to those who were ____________.
【简答题】The phrase “the linguistically oppressed” (Line 6, Para. 4) refers to those who were ________.
【多选题】假远期信用证又称买方远期信用证，其主要特点是（ ）。
A.
由受益人开出远期汇票
B.
由开证行开出延期付款信用证
C.
由指定的付款行负责贴现汇票
D.
由进口人负担贴现息和费用
【单选题】' ... people who die wondering, What if?.' (Line 3, Para.3) refers to 'those ______ '.
A.
who think too much of the dark side of life
B.
who regret giving up their career halfway
C.
who think a lot without making a decision
D.
who are full of imagination even upon death
【简答题】在万维网上通过搜索引擎查找资料时,搜索引擎自动读取网页中_________________标签的内容,所以网页中的搜索关键字非常重要,它可以间接地宣传网站,提高访问量。
【单选题】'...People who die wondering, what if?' ( Line 3, Para. 3 ) refers to' those ______ '.
A.
who think too much of the dark side of life
B.
who regret giving up their career halfway
C.
who think a lot without making a decision
D.
who are full of imagination even upon death
【单选题】The author uses the expression 'those babies' (Line 4, Para. 2) to refer to high heels to ______.
A.
show their fragile characteristics
B.
indicate their feminine features
C.
show women's affection for them
D.
emphasize their small size
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