马克思列宁主义、毛泽东思想、邓小平理论是统一的科学体系。（）
A. 正确
B. 错误
Blackburn keeps on learning new things mainly because ______ .
A. he has to keep up with new technology in order to lead his people better
B. he has to receive further education in order to get promotion to a higher position
C. he has to know more than other smart managers in order to make better reports
D. he has to learn time management tactics in order to transfer to management department
在悬臂浇筑施工中，挂篮组拼后，应全面检查安装质量，并对挂篮进行试压，以消除结构的非弹性变形。挂篮试压的最大荷载一般可按（）考虑。
某市政工程网络计划图如下（单位为月），该工程的关键路线县（）。
A. 1—2—5—6
B. 1—2—3—4—5—6
C. 1—3—4—6
D. 1—3—4—5—6
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