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Practice Speaking: Read Aloud
ID: #51931
Long Battery
Instructions
Look at the text below. In 40 seconds, you must read this text aloud as naturally and as clearly as possible. You have 40 seconds to read aloud.
Scientists have improved a promising battery technology, creating a single-crystal, nickel-rich cathode that is hardier and more efficient than before. It's one step toward improved lithium-ion batteries that are common in electric vehicles today. Increasing nickel content in the cathode is on the drawing board of lithium-ion battery makers largely because of its relatively low cost.
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