Part I Structure(30%) Directions: In this section, there are 20 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A), B), C and D). Then you should mark the corresponding letter on the Answer Sheet with the size of the whole earth, the highest mountain does not seem high at all

Part I Vocabulary Structure(20%) Section a employee C. calculator D. device

Part I Vocabulary Structure(20%) Section a I. Ben was quite stubborn and it was almost impossible to him of his mistakes B. recognize C. forget D. convince

Unit 1.Price I. Basic knowledge of pricing 1.Cost structure: cost of production, selling and delivery costs, taxes and tariffs a. Cost of production Costs related to the product manufacture: labor, raw materials

The 6.001 Lazy Meta-Circular Evaluator The Core Evaluator (define (l-eval exp env) (cond ((self-evaluating? exp) exp) ((variable? exp)(lookup-variable-value exp env)) ((quoted? exp)(text-of-quotation exp)) ((assignment? exp)(eval-assignment exp env)) ((definition? exp)(eval-definition exp env)) ((if? exp)(eval-if exp env))

Late homework will not be accepted. In case of illness or absence from MIT make arrangements to complete assignments with your recitation instructor Your TA will examine your project solutions and offer you feedback on them. It's your responsibility to provide clear

1. Issued: Monday, February 7 2. To Be Completed By: Friday, February 18, 6: 00 PM

Most people learn more effectively when they study in small groups and cooperate in various other ways on homework. This can be particularly true in programming assignments, where working with a partner often helps to avoid careless errors. We are very much in favor of this kind of cooperation, so long as all participants actively involve themselves

Closed book- one sheet of notes hroug hout this quiz, we have set aside space in which you should write your answers. Please try to put all of answers in the designated spaces, as we will look only in this spaces when grading

Evaluation and universal machines The Eval/Apply Cycle What is the role of evaluation in defining a language? Eval and Apply execute a cycle that unwinds our abstractions Reduces to simple applications of built in