问答题
He can’ t even support himself, let alone a family.
A．allow us to buy fish and chips in France B．make the journey from Europe to England dangerous but easier and faster C．decrease more trade for London’ s dockyards D．make London more prosperous again
A．computer science courses in high schools B．businessmen and women who use pocket calculators C．maintenance(连续不断) checks on computers D．companies which depend entirely on computers