问题补充:
We Chinese are proud the great success the area of science and technology .
A. of ; in
B. by ; on
C. with ; on
D. for ; in
答案:
(答案→)A. of ; in
B. by ; on
C. with ; on
D. for ; in
解析:这题考查介词的用法:第一空填of,词组“be proud of”以…为荣“,第二空填in,表示:在…领域,句意是:我们中国人以在科技领域取得的成功自豪。选A。