例句： Thirdly, the industry make-up of our economy is continually changing. While this is often a slow process – almost imperceptible in most years – these shifts have been significant over time.

例句： There is a pair of scissors in the bottom drawer.

例句： The Negro minstrel is touring the country.

例句： His mother had to go to the hospital for a minor surgery.

例句： The curtains had an elaborate pattern of flowers.

例句： First of all she just smiled, then she started to laugh.

例句： Extension of the injured arm was painful.

例句： There are five apples on the table.

例句： Ice is water in solid state.

例句： This instrument monitors the patient's heartbeats.