"Ruby was about seven months old when she first came to the zoo", said George. "She lived with a goat and some chickens, but she didn't have an elephant companion for a number of years. She spent a lot of time drawing in the dirt with a stick to make her days more stimulating. Her keeper bought her some art supplies". George said, ', Ruby was excited about painting right from the beginning".
The elephants at the art academies in the Southeast Asia are taught to hold a paintbrush with the tip of their trunks. Initially, the keeper guides the elephant's trunk over the canvas(画布) and offers rewards for good performance.
"It only takes a few hours to a day to teach them", said Mia Fineman, an art historian whose book When Elephants Paint is an illustrated history of the Asian Elephant Art and Conservation Project.
Ruby was an Asian elephant ______.
A.who was sold for a price as high as $5,000
B.who was famous for being the first painting elephant
C.whose paintings sold for as high as $5,000
D.who started painting in the late 1980s
第1题
指令系统中采用不同寻址方式的目的是()。
A.可降低指令译码的复杂度
B.可缩短指令字长,扩大寻址空间,提高编程的灵洁性
C.实现程序控制
D.三者都正确
第2题
指令系统中采用不同寻址方式的目的主要是________。
A.可降低指令译码难度
B.缩短指令字长,扩大寻址空间,提高编程灵活性
C.实现程序控制
第3题
指令系统中采用不同的寻址方式的主要目的是缩短指令字长,扩大寻址空间,提高编程的灵活性。( )
第4题
指令系统中采用不同寻址方式的主要目的是________。
A.简化指令译码
B.提高访存速度
C.缩短指令字长,扩大寻址空间,提高编程灵活性
第6题
指令系统中设置多种不同的寻址方式,可以()。
A.缩短指令字长
B.扩大寻址空间
C.提高编程灵活性
D.以上都包括
第9题
计算机指令系统中采用不同寻址方式的主要目的是(3)。在下列寻址方式中,取操作数速度最慢的是(4)。
A.简化汇编指令的设计
B.可直接访问内存或外存
C.提供扩展操作码并降低指令译码难度
D.缩短指令长度,扩大寻址空间,提高编程灵活性
第10题
A.可直接访问内存或外存
B.提供扩展操作码并降低指令译码难度
C.简化汇编指令的设计
D.缩短指令长度,扩大寻址空间,提高编程灵活性
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