Children sometimes get sick(生病) and need to go to hospital. Some of them have to stay there for a few ____ (day). It is not good for them____ (think) about their sickness all day long. They need some other things to think about, so people ask animals ____ help. In some places, workers from zoos often ____(take) animals to visit children in hospital. They may bring a little dog or a  ____(cute) monkey with them. Children are ____ (exciting) to see them.

    ____ ，some children cannot get close to the animals. The animals may make their sickness get even____ (bad). How can we help these children? The hospitals get another good idea. They work with zoos to make movies. The movies are all about lovely animals. Children in hospital can watch these movies and learn the animals' ____ (live) habits. A man____(call) Denny Sanford made a TV network (网络)to show these movies. It is used in many hospitals in the US today.

汉武帝将全国分为13州部。当时的“州部”是（    ）

①若sinAsinB=2sin²C，则0＜C＜ $\frac{\pi }{4}$ ；

②若a+b＞2c，则0＜C＜ $\frac{\pi }{3}$ ；

③若a⁴+b⁴=c⁴．则△ABC为锐角三角形； 

④若（a+b）c＜2ab，则C＞ $\frac{\pi }{2}$ •

“当你从内心认定某件事是讨厌的或不好的时候，痛苦便产生了。”所以，你务必使你的积极情绪支配你的心灵，诸如宁静、愉快，学会思考、学会观察、学会感恩、学会信任、学会欣赏、学会赞美，以养成保持积极情绪的好习惯。这是因为（）
①人的情绪是丰富多彩的 ②积极的情绪使人思维敏捷，体力充沛，精力旺盛 ③积极的情绪有益于人们的身心健康 ④保持积极的情绪有利于人们战胜挫折，成为生活的强者