BK24 L1 Mixed Review

A large quantity of __________ is needed to produce one ounce of pure gold.

• oil

• ore

• liquid

If you stir yellow and red paint together, the mixture will __________ orange paint.

• turn into

• turn in

• turn up

When you __________ oil into your car’s engine, wear gloves to keep your hands clean.

• produce

• refine

• pour

The weather __________ a lot in this city. Yesterday it was very cold, and today it’s hot.

• varies

• averages

• utilizes

The scientist discovered a three-thousand-year-old cooking pot made of __________.

• bronze

• nylon

• plastic

Although there were only three carpenters, they __________ the house in one week.

• erected

• protected

• detected

Oxygen is the most __________ element in a person’s body.

• fixed

• abundant

• poisonous

The soldiers __________ hand signals to communicate without talking.

• used up

• utilized

• urged

The US has a(n) __________ public highway system.

• skilled

• extensive

• immediate

Soldiers do physical training frequently to maintain _________ physical fitness.

• overseas

• incomplete

• overall