We have a lot of big inventions in our life. But every day new inventions are introduced 1 the market. Recently a "2" pillow has been on sale in the UK. It has a speaker that can 3 to an MP3 player or a CD player; people can 4from their pillows as they sleep.
The pillow is 5 people who had a snoring （打呼噜）partner. It can play 6 to cover the 7 of the snoring. People who like to sleep with background sound 8 like it.
The pillow is the most popular with 9. Why? Because they prefer to hear lessons 10 they sleep. They hope they will 11 at least some of the information when they wake up. Last year a US study found that students who had 12 information during sleep could remember what they learned. But some teachers don't like this new 13.
They think the 14 ways of learning are more useful. They may make students work 15.
