6. Police officers often must interrogate witnesses, that is, the officers must interview their witnesses and try to get truthful answers. Interrogate also means A Ask permission B. Ask questions C. Examine D. Quiz 7. Taylor was very conspicuous in his bright red shirt and yellow pants - he is very noticeable and attracts too much attention. A. Clearly visible B. Difficult to see C. Observable D. Very attractive 8. The ancient Chinese used the abacus, a device with movable beads that can be used as a calculator A A new wooden device B. A new mathematical gadget C. A computer made from China D. An equipment for computing that belong to the olden days 9. I wonder if the fruit was edible, or fit to be eaten. A Delicious food B. Nutritious food C. An expensive food D. A food that is safe to eat. 10. Kathy was looking for a strong but light material to use for making her water jugs. Unfortunately, all she found are porous materials - they are all leaky and cannot hold the water in A porous material is one that A Protects you in pouring rain B. Allows liquids to flow through it C. Is necessary for making water jugs D. Is good for holding things that you pour​