Write the list that is the result of interpreting, on the input list , the program   var x; var y; read x; read y; write (x + y); write (x – y)

The result of interpreting       let b lambda x * x 2  + 1     apply b 4 is a string denoting the number

Remember that for parsing expressions, we may write a grammar where operators are left-associative, with rules such as     ::= ‘-‘ or we may write a grammar where operators are right-associative, with rules such as       ::= ‘-‘ For each purpose below, pick the grammar most suitable.

First some questions about parsing.

After cardiovascular disease and cancer, the most common cause of death among the aged is __________.

According to Kübler-Ross, the weakened patient who reaches a state of peace __________.

Next some questions about Project 2, and the language interpreted there.

Once people pass __________ years, the contribution of heredity to length of life decreases in favor of environmental factors.

The more a mental ability depends on __________ intelligence, the earlier it starts to decline.

Interviews with professional actors reveal that most memorize lines by __________.