A:-2
B:2
C:12
D:-12
Tomorrow we will go to Hainan. It's warm there. We will have a special Chinese New Year's Day. Now let's get ready! We need three tickets from Shijiazhuang to Hainan. We don't need winter clothes. I want a beautiful dress. My parents take some T-shirts and shorts. We need to take milk, cakes and fruit. We need three hats. The sun is very hot there. We don't want to turn black. That's all done.
① ② ③ ④
⑤ ⑥ ⑦ ⑧
⑨ ⑩ ⑪ ⑫
____
如图所示的实验操作中正确的是( )
2018年世界哲学大会将在北京举行。100多年来,历届世界哲学大会一直在不断反思,研讨关于科学、文化、宗教、人生的重大哲学问题。哲学家们不断反思、研讨重大哲学问题的原因是( )
①探索世界发展的一般规律是哲学家的使命所在
②哲学给人以科学的世界观和方法论指导
③哲学能帮助人们解决学习生活中的每个具体问题
④哲学的任务是指导人们正确地认识世界和改造世界