PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.

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Beginning in 35 seconds.

As a child, you might dream one day of becoming an astronaut and, the next day, of becoming a ballet dancer — the possibilities are endless. Eventually, this wealth of choice is whittled down by external circumstances and internal interests. Similarly, precursor cells in early embryos make a series of stepwise ' decisions' governed by external forces and internal factors to generate the diverse array of cell types present in adult organisms.

PTERead Aloud: #459

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