D. keep the biscuit tasting soft

26. What does KFC do with the new product in its trial stage?

A. Promote it by adding different scents. B. Sell it at a lower price in the US first. C. Invite customers to eat it for free. D. Test it in the market in small quantities.

27. Which statement is NOT true according to the passage?

A. The cup not only tastes good but also smells delicious. B. The cup is developed with the help of The Robin Collective C. Customers all over the world can soon try the edible cup. D. The cup is made from biscuit, sugar paper and chocolate. 28. What is the best title for the passage?

A. KFC’s new product---Edible coffee cups

B. A new treat---Coffee cups and positive memories C. Coffee cups made from biscuits and chocolate D. The development of KFC company in the UK C

some processes of ageing, at least in mice. Injecting the blood of young mice into the older ones improved their brainpower, a study found. Scientists at Stanford University plan to carry out trials in people in the hope that new treatments for dementia(痴呆症) can be developed.

“There are factors present in blood from young mice that can recharge an old mouse’s

brain so that it functions more like a younger one,”says Dr. Tony from Stanford University School of medicine. In the study published in Nature Medicine, mice aged 18 months were given injections of the blood taken from mice aged 3 months. The injected mice performed better on memory tests than mice of the same age that had not been given the blood. Dr. Tony said it was not known whether the same was true of humans, but a trial was planned.

A research center in UK said the treatment restored certain aspects of learning and memory

in mice, but was of unknown importance to humans. The research, while very interesting, did not test the type of brain damage that was seen in dementia, which is not a necessary consequence of ageing.

Meanwhile, two similar studies by a separate team have thrown more light on how young

blood may benefit the old, in mice at least. A substance in the blood of mice previously shown to have an anti-ageing effect on heart muscle also improved brain cells, according to a Harvard team.