从我国的情况看,大型农业基础设施建设主要应由( )投资。
A.政府财政
B.商业银行
C.投资机构
D.农业经济合作组织
参考答案:A
解析:大型农业基础设施建设主要应由政府财政投资
根据表格所提供的信息选择最佳答案。
1. _____ is one of places of interest in China.
A. The Great Wall
B. Fuji
C. Kremlin
2. This summer holiday I want to travel to Europe. According to the form I can go to _____.
A. Japan
B. America
C. Russia
3. The area of China is _____ as big as that of Japan.
A. 15 times
B. 20 times
C. 25 times
4. From the information above we know that in America there are _____ people for every square
kilometer.
A. 23
B. 32
C. 51
5. Which of the following is true according to the form above?
A. Not all of these four countries' population is over a hundred million.
B. Among the four capitals, half of them are in Asia.
C. If you want to see the Statue of Liberty (自由女神像) you'd better go to Japan.
虚拟存储器的作用是允许 (4) ,它通常使用 (5) 作为主要组成部分。虚拟存储器的调度方法与 (6) 基本类似,即把经常要访问数据驻留在高速存储器中。因为使用了虚拟存储器,指令执行时 (7) 。在虚拟存储系统中常使用相联存储器进行管理,它是 (8) 寻址的。
A.所需的数据一定能在内存中找到
B.必须进行“虚/实”地址转换
C.必须事先使用覆盖技术
D.必须将常用的程序先调入内存