Sir Alexander Fleming did not, as legend would have it, look at the mold on a piece of cheese and get the idea for penicillin there and then.上句可改写为:Sir Alexander Flem...
The companies are working together to create________they hope will be the best means of transport in the 21st century.A.which B.that C.what D.whocreate后面跟的是宾语从句吗, what...
我看到这句话,In the end, they could feed a black-and- white image of a marked-up face into the computer, and out would pop an automatically rotated portrait that w...