下列计算正确的是（   ）

I don’t have any close friends here. I feel ______ from time to time.

人类面临的主要环境问题有：环境污染、生态破坏。

某省制定的艾滋病防治和管理办法规定：“艾滋病病毒感染者和艾滋病病人及其家属不得受任何歧视，依法享有公民应有的工作、学习、享受医疗保健和参加社会活动的权利;不得剥夺其子女人托、人学、就业的权利。不能将病人的姓名、地址及有关情况公布和传播。”从这些规定可以看出
①艾滋病病人享有宪法、法律规定的权利 ②艾滋病病人合法权利受到保护③艾滋病病人的权利与义务不统一 ④艾滋病病人并没有特殊权利

阅读理解，判断正误。

    A dog is walking along a road. It is a big dog. It is carrying a piece of meat. The piece of meat is in the dog's mouth. The dog is walking across a bridge now. There is water under the bridge. The water is very deep. The dog is looking into the water. It can see a dog in the water. This dog has a piece of meat in its mouth, too. The big dog is barking at the dog in the water. It wants its piece of meat, too. The big dog's piece of meat is falling into the water.