1. The line total-total + num is an example ofa(n)--statement. a. initialization b. declaration d. definition 2. A(n)-. statement forces an immediate exit from the switch, while, for and do-while statements. a. exit b. break c. stop d. halt 3. A semicolon with nothing preceding it is also a valid statement, called the_statement a. empty b. null c. blank d. void 4. The statement in C++ is used to implement a decision structure in its simplest form-choosing between two alternatives. a. for c. switch-case d. while b. if-else 5. In C+t, the logical operator is used to change an expression to its opposite state. a. AND c. NOT d. REVERSE b. OR 6. Using the abs ( function requires including the header file a. cnumber b. iostream c. math d. cmath 7. A statement is a sequence of single statements contained between braces. a. compound b. single c. simple d. complex 8. In C++, Boolean variables are declared with the_keyword. a. boolean b. false c. boo1 d. true 9. Including one or more i f statements inside an existing 1 f statement is called a--if statement. a. composed b. complex 10. A statement is an alternative to theif-else chain for situations when the condition involves comparing an integer expression to a specific value. a. switch b. for d. nested c. while d. do-while 11. A(n) statement is the most basic C++ statement for assigning values to variables and performing computations a. initialization b. assignment c. declaration d. arithmetic 12. A(n)--can have a value assigned to it. c. uvalue d. dvalue 1value a. b. rvalue 13. In C++, the expression sum-sum + 1 0 can be written as a. sum 10 b" +sum = 10 c sum + 10 d. sums 10+