单项选择题
A.focus on one method only. B.explore some other alternatives. C.improve one of the four methods. D.integrate all of the four methods.
A.its changed policy towards America. B.recent international pressure. C.its desire to have the US trade embargo lifted. D.the impending visit by a senior US military officer.
A.technically speaking artists draw very well. B.an artist’s drawing differs little from an architect’s. C.precision is a vital skill for the architect. D.architects must be natural artists.