精选优质文档-倾情为你奉上Exercise 31.Computers can store much more information than human b can and they can work out problems far more quickly.2.David is good at playing basketball. He has entered for a club, and he wants to buy a better b though he has already got one.3.His mother died when he was five and not long after his father was killed in a b during the Second World War.4.There the natural coast scenery attracts many tourists. In summer many tourists go to the b
