党的十九大报告指出,要支持香港、澳门融入国家发展大局,以( )等为重点,全面推进内地同香港、澳门互利合作。
A. 粤港澳大湾区建设
B. 粤港澳合作
C. 成立粤港澳经济特区
D. 泛珠三角区域合作
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坚持创新引领发展,培育壮大新动能,要培育新兴产业集群,下列各项中,属于新兴产业的有( )
A. 节能环保
B. 炼钢业
C. 新兴信息产业
D. 新能源汽车
In the classical complement activation pathway, the sequence of the activated complement components is
A. C123456789
B. C145236789
C124536789
D. C142356789
E. C132456789
Which complement has the highest serum level?
A. C3
B. C4
C1q
D. C2
E. C5
Which of the following complement components is involved in both immune adhesion and opsonization?
A. C2b
B. C3b
C4a
D. C5b
E. C6b