1.	Choose the most appropriate unit to measure the height of a door.
		A.	centimeter	B.	kilometer
		C.	millimeter	D.	meter
		Hint
	2.	Choose the most appropriate unit to measure the length of one stair.
		A.	meter	B.	kilometer
		C.	centimeter	D.	millimeter
		Hint
	3.	Choose the most appropriate unit to measure the length of a bike ride.
		A.	millimeter	B.	kilometer
		C.	meter	D.	centimeter
		Hint
	4.	Choose the most appropriate unit to measure the length of an escalator.
		A.	centimeter	B.	meter
		C.	kilometer	D.	millimeter
		Hint
	5.	Choose the most appropriate unit to measure the distance between two cities.
		A.	millimeter	B.	kilometer
		C.	centimeter	D.	meter
		Hint