TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: All insects have _ body sections, the head , thorax , and abdomen.

SOLUTION: three

PROBLEM: Pure water contains _ ions and is therefore a nonconductor .

SOLUTION: no

PROBLEM: Most bony fishes become sexually mature between _ and five years.

SOLUTION:
one