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【单选题】
室内镜面反映的虚像,可把人们的视线带到镜面背后的空间去,于是产生空间扩大的视觉效果,还可利用有一定景深的大幅画面把人的视线引向远方,造成空间深远的意象。 ”这种空间类型属于: ( )A.
模糊空间
B.
固定空间
C.
动态空间
D.
虚幻空间
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举一反三
【单选题】断电后,下列有关半导体存储器的说法中,___是正确的
A.
RAM 的数据不会消失
B.
ROM 的数据不会消失
C.
EPROM 的数据会消失
D.
EEPROM 的数据会消失
【单选题】What did the monkeys do in the cave?broke everything.
A.
They
B.
They played games.
C.
They argued and fought.
【单选题】. What did the monkeys do in the cave?
A.
They broke everything.
B.
They argued and fought.
C.
They played games.
【单选题】Fido and Rex played in the park. ________ wanted to go home.
A.
None of the dogs
B.
Neither of the dog
C.
Neither dogs
D.
Neither dog
【简答题】我国最早采用班级授课制的是清政府于l862年设于北京的_____ 。
【单选题】What did the monkeys and apes want to find?
A.
a new river
B.
the river's source
C.
the ocean
【单选题】The owner and editor of the newspaper the conference.
A.
were attending
B.
were to attend
C.
is to attend
D.
are to attend
【单选题】What did the monkeys do in the cave?
A.
They broke everything
B.
They played games.
C.
They argued and fought.
【单选题】What did the monkeys and apes want to find?ocean's end
A.
the
B.
a new waterfall
C.
the river's source
【简答题】在数据库FORTA中,请先在表orders中添加一个新列amount,用来存放订单的总金额,并根据表orderitems计算每个订单的总金额填入amount列。然后请在表orderitems上创建触发器,以保证当orderitems表的数据发生变化时,能自动维护orders表中amount列值的准确性。具体要求如下: 1). 修改orders表添加新列amount的SQL语句; 2). 填入amo...
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