得 分 评卷人 Ⅱ.Comprehension(阅读理解，40分)】 (-)Fill in the blanks with suitable words or expressions from the list given below,and change the form where necessary.（从下面方框中选择合适的词或表达，以其适当的形式填空。 15分，每空3分) high-level language assembly language write machine language notation A programming language,designed to facilitate the communication between human and computers,is a 31. for describing computation in readable form. There are 3 levels of programming languages,they are 32. which can be run directly by computer;33. and 34. There are different high-level programming languages.Fortunately,most of them have many kinds of construct in common and vary only in the way that these must be 35. _Therefore,first thing to be decided about a task is to choose which programming language is best suited for the job. Passage A The central processing unit (CPU)is the heart of the computer systems.Among other things,its configuration determines whether a computer is fast or slow in relation to other computers.The CPU is the most complex computer system component,responsible for directing most of the computer system activities based on the instructions provided.As one computer generation has evolved to the next,the physical size of the CPU has often become smaller and smaller,while its speed and capacity have increased tremendously.Indeed, these changes have resulted in microcomputers that are small enough to fit on your desk or your lap. The CPU comprises the control unit and the arithmetic logic unit (ALU). The control unit is responsible for directing and coordinating most of the computer systems activities.It determines the movement of electronic signals between main memory and the arithmetic/logic unit,as well as the control signals between the CPU and input/ output devices. The ALU performs all the arithmetic and logical (comparison)functions-that is,it 1193得分!评卷人 II. Comprehension (阅读理解， (一) Fill in the blanks with suitable words or expressions from the list given below , and change the form where necessary. (从下西方框中选择合适的词或表达，以其适当的形式填空。 15 空3 high-level language assembly language write machine language notation A programming language , designed to facilitate the communication between human and computers, is a 31. for describing computation in readable form. There are 3 levels of programming languages, they are 32. , which can be run directly by computer; 33. and 34. There are different high-level programming languages. Fortunately , most of them have many kinds of construct in common and vary only in the way that these must be 35. . Therefore , first thing to be decided about a task is to choose which programming language is best suited for the job. Passage A The central processing unit (CPU) is the heart of the computer systems. Among other things , its configuration determines whether a computer is fast or slow in relation to other computers. The CPU is the most complex computer system component , responsible for directing most of the computer system activities based on the instructions provided. As one computer generation has evolved to the next , the physical size of the CPU has often become ,smaller and smaller, while its speed and capacity have increased tremendously. Indeed , these changes have resulted in microcomputers that are small enough to fit on your desk or your lap. The CPU comprises the control unit and the arithmetic / logic unit (ALU). The control unit is responsible for directing and coordinating most of the computer systems activities. It determines the movement of electronic signals between main memory and the arithmetic/logic unit , as well as the control signals between the CPU and input/ output devices. The ALU performs all the arithmetic and logical (comparison) functions 一that is , it 1193