如图所示，导体框架的平行导轨（足够长）间 距d=lm，框架平面与水平面夹角θ=37°，框架的电阻不计，电阻R₁=0.4Ω．匀强磁场方向垂直框架平面向上，且B=0.2T，光滑导体棒的质量m=0.2kg，电阻R=0.1Ω，水平跨在导轨上，由静止释放，g取 10m/s²，sin37°=0.6，cos37°=0.8，求：

①购置税减半→降低个人购车税负→带动居民消费需求

②购置税减半→扩大新能源汽车销量→有利于保护环境

③购置税减半→同家财政收支平衡→经济持续健康发展

④购置税减半→增加汽车销售数量→促进汽车产业发展

读下列四图，在②地区，产生热力环流的主要原因是（     ）

A.I have dinner at home.

B.I like fish best.

C.I'd like a sandwich.

D.I have beef noodles.

E.Because it's healthy.

⑴What's your favourite food？    ____

⑵What would you like?           ____

⑶What do you have for lunch?   ____

⑷Why do you like it?             ____

⑸Where do you have dinner?     ____