直线y=2x+3与y=5x-2b交于y轴上一点,则b=______.
∵直线y=2x+3与y=5x-2b交于y轴上一点,
∴3=-2b,
解得:b=-32.
故答案为:-32.
On the clothes line______ many nice clothes. Kate with her parents______ them this time an hour ago. [ ]
A. are, are hanging
B. is, were hung
C. is, is hanging
D. are, was hanging
在新民主主义社会中存在多种经济成分,其中掌握了国家主要经济命脉的是()
A、国营经济
B、合作社经济
C、个体经济
D、私人资本主义经济