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【单选题】
用二维表数据来表示实体与实体之间联系的数据模型称为( )
A.
层次模型
B.
网状模型
C.
关系模型
D.
概念模型
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【多选题】古希腊著名的两大史诗是( )和( ):
A.
伊利亚特
B.
奥德赛
C.
格萨尔王
D.
罗摩衍那
【单选题】夏普 NC-2T 采用 VTS-7ZH7 电子调谐器,它的中频为()。
A.
38kHz
B.
380kHz
C.
3.8MHz
D.
38MHz
【单选题】三极管发射结合集电结均处于反向偏置是( )状态
A.
. 放大
B.
截止
C.
饱和
D.
都不对
【简答题】听力原文:It can generally be observed that children are better at learning than s. They will more readily take up a musical instrument, for example, than a parent and are more likely to persist in ma...
【简答题】( ) 6. My dream is to swim______ the Yellow River. A. over B. through C. round D. across ( ) )7 Can you tell me how ________around the park. A. get B. to get ...
【简答题】写出下列菜名分别属于哪个菜系 :(共10题,每题1.5分,共计15分) 1. Dried Bean Curd Shreds in Chicken Soup ( ) 2. Mapotofu ( ) 3. Roast ling Pig ( ) 4. Yu- Shiang Shredded pork ( ) 5. Battle between dragon and Tiger ( ) 6. Ye...
【简答题】China is a great country with 5,000 years of history. There are many places of interest 1 attract millions of tourists form all over the world every year. Some of them are fantastic lakes, beautiful m...
【单选题】People think that______.
A.
Miggi's garden is better than theirs
B.
Miggi works harder than they
C.
Miggi knows how to grow vegetables well
D.
The radio helps Miggi to grow everything well in his garden
【简答题】A.Ghanaian tomatoes taste better than British ones. B.British tomatoes are healthier than Ghanaian ones. C.Protecting the environment may cost a lot of money. D.Cutting down food miles may not necessa...
【单选题】古希腊著名的两大史诗是伊利亚特和:
A.
奥赛罗
B.
奥德赛
C.
格萨尔王
D.
罗摩衍那
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