新航路开辟的决定性因素是:()
A、商品经济的发展和资本主义的萌芽
B、欧洲各国社会矛盾激化
C、天文、地理知识的进步和航海、造船技术的发达
D、商业危机的出现
参考答案:A
— Has Tom finished his article on the endangered animals?
— Not yet. He ____ only 200 words by the end of last month. [ ]
A. has written
B. had wrote
C. had written
D. wrote
旧中国近代警察的历史,是( )结合在一起, * * 革命、迫害人民的历史。
A.军警B.军特C.军、警、特D.军警和司法机关