单项选择题
A. would have not attended B. can not have attended C. needn't have attended D. mustn't attend
leaving the market place, the fat man looked pleased （）...
单项选择题leaving the market place, the fat man looked pleased （） himself（）having discovered a bargain.
A. at, for B. at, at C. with, for D. with, at
During the Ice Ages, man developed the use of tools, an...
单项选择题During the Ice Ages, man developed the use of tools, and this is a way of protecting himself against（）
A. conflicts B. hazards C. faults D. shortcomings
In architecture(建筑学) ,a vault(拱顶) is a proof or ceiling...
单项选择题In architecture(建筑学) ,a vault(拱顶) is a proof or ceiling in the （） of an arch.
A. form B. figure C. shape D. appearance
