如图所示，直线A为电源的U—I图线，直线B为电阻R的U—I图线，用该电源和电阻组成闭合电路时，电源的输出功率和电路的总功率分别是（    ）

①我国保险结构有待完善

②我国保险业高度发达

③我国居民保险意识提升

④我国商业保险重在保障居民人身安全

Welcome to the City Zoo! There are many1in the zoo. Let’s see the koalas first. Koalas are2Australia. They are quiet,3and cute. Children like them very much. The kangaroos (袋鼠) are also from4. They are quiet and interesting,5they are not friendly.
The giraffes come from Africa. They have a6neck (脖子). They like to eat leaves. The lions are also from Africa. They are exciting, but a little7. Many people don’t like8. We also have pandas. They are from China. They are very cute and friendly, but they are very shy. So please be9.
Have10and enjoy yourself here!

在一些地区，政府购买公共服务已经成为一种趋势。政府通过竞标并支付一定服务费用，将部分特定公共服务事项委托给具有资质的专门社会组织来完成。政府购买服务（    ）

①能提高社会组织管理国家事务的本领

②是政府创新社会管理方式的重要举措

③直接目的是拉动经济，加快发展速度

④有利于提高行政效率、降低行政成本