植物新品种权的申请由（）负责受理和审查。
A、国务院农业、林业行政管理部门
B、国家知识产权局
C、国家工商行政管理总局
参考答案：A
—______ do you have at home?
—I have only one. [ ]
A. How much laptop
B. How many laptop
C. How many laptops
D. How often laptops
哪种情况能由风海流的附效应产生升降流？
