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【单选题】
面向对象数据库系统对关系数据库系统的重大改进是（）
A.
突破了关系模型第一范式的限制
B.
既支持记录集合的操作，又支持面向对象的操作
C.
包括其他全部选项
D.
允许复杂的数据类型存在
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举一反三
【单选题】以下不属于三种基本结构的是？
A.
顺序
B.
递归
C.
分支
D.
循环
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【单选题】以下不属于 vb 的三种基本结构的是
A.
顺序结构
B.
选择结构
C.
递归结构
D.
循环结构
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【简答题】用正确的介词、副词填空。 It won't rain; you can leave your umbrella 1__________. I have no time to engage 2.__________ the football match. He quit the long jump to take 3.____________ long-distance running. The s...
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【单选题】________ a good home is important.
A.
Should a pet get
B.
Does a pet get
C.
If a pet gets
D.
Whether a pet gets
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【单选题】以下不属于三种基本结构的是( )
A.
循环
B.
选择
C.
跳转
D.
顺序
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【单选题】听力原文：W: Tom and I are having a party next week. We wondered if you and Jill would be free to join us. M: Sounds great, but I'd better talk to Jill before we say yes. Q: What does the man imply? (18)
A.
He'd like to reschedule the party.
B.
He and Jill aren't free next week.
C.
He's not sure if Jill is available on Friday.
D.
He doesn't know what to bring to the party.
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【简答题】听长对话，回答问题。 1. Who wants to study science? A. Alan B. Lisa C. Peter 2. When is Alan free? A. This evening B. Tomorrow evening C. Tomorrow afternoon 3. When is Mike's birthday? A. Thursday, 14th B. Frid...
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【单选题】Mini-Dialogue 3
A.
He's writing a book report on American literature.
B.
He's working on his schoolwork.
C.
He's taking a chemistry exam.
D.
He's having fun at a party.
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【单选题】___genes,intelligence also depends on an adequate diet,a good education and a decent home environment. [     ]
A.
In exchange for
B.
Except for
C.
In addition to
D.
Due to
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【单选题】宅男宅女 受疫情影响,最近许多中国人都“宅”在家不出门,当起了“宅男、宅女”。 “宅”,在汉语中表示“住宅,居所( house , residence )”,现在一般大众对于作形容词或动词的“宅”通常理解为足不出户,例如“宅在家”指“ stay at home ”,“宅男、宅女”主要指长期足不出户、喜欢呆在家里的人( someone who enjoys being at home and spe...
A.
homebody
B.
homestay
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相关题目：
【单选题】以下不属于三种基本结构的是？
A.
顺序
B.
递归
C.
分支
D.
循环
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【单选题】以下不属于 vb 的三种基本结构的是
A.
顺序结构
B.
选择结构
C.
递归结构
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【简答题】用正确的介词、副词填空。 It won't rain; you can leave your umbrella 1__________. I have no time to engage 2.__________ the football match. He quit the long jump to take 3.____________ long-distance running. The s...
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【单选题】________ a good home is important.
A.
Should a pet get
B.
Does a pet get
C.
If a pet gets
D.
Whether a pet gets
查看完整题目与答案
【单选题】以下不属于三种基本结构的是( )
A.
循环
B.
选择
C.
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D.
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【单选题】听力原文：W: Tom and I are having a party next week. We wondered if you and Jill would be free to join us. M: Sounds great, but I'd better talk to Jill before we say yes. Q: What does the man imply? (18)
A.
He'd like to reschedule the party.
B.
He and Jill aren't free next week.
C.
He's not sure if Jill is available on Friday.
D.
He doesn't know what to bring to the party.
查看完整题目与答案
【简答题】听长对话，回答问题。 1. Who wants to study science? A. Alan B. Lisa C. Peter 2. When is Alan free? A. This evening B. Tomorrow evening C. Tomorrow afternoon 3. When is Mike's birthday? A. Thursday, 14th B. Frid...
查看完整题目与答案
【单选题】Mini-Dialogue 3
A.
He's writing a book report on American literature.
B.
He's working on his schoolwork.
C.
He's taking a chemistry exam.
D.
He's having fun at a party.
查看完整题目与答案
【单选题】___genes,intelligence also depends on an adequate diet,a good education and a decent home environment. [     ]
A.
In exchange for
B.
Except for
C.
In addition to
D.
Due to
查看完整题目与答案
【单选题】宅男宅女 受疫情影响,最近许多中国人都“宅”在家不出门,当起了“宅男、宅女”。 “宅”,在汉语中表示“住宅,居所( house , residence )”,现在一般大众对于作形容词或动词的“宅”通常理解为足不出户,例如“宅在家”指“ stay at home ”,“宅男、宅女”主要指长期足不出户、喜欢呆在家里的人( someone who enjoys being at home and spe...
A.
homebody
B.
homestay
查看完整题目与答案